using System;
using System.Collections.Generic;

using System.Text;

using Autodesk.AutoCAD.Geometry;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.EditorInput;

namespace T_cad
{
    class Frame5000
    {
        private Point3d LB;
        private Point3d LT;
        private Point3d RB;
        private Point3d RT;
        double dist = 500;      //格网间距


        string Title = "";
        string Left_Number;
        string Right_Number;

        public void Produce()
        {
            getinfo();
            //左编号
            Point3d p1 = new Point3d(LB.X - dist * 5 - 100, LB.Y - 100, 0);
            Point3d p2 = new Point3d(LT.X + 50, LT.Y + 50, 0);
            Left_Number = GetNumber(p1, p2);

            //右编号
            p1 = new Point3d(RT.X + dist * 5 + 100, RT.Y + 100, 0);
            p2 = new Point3d(RB.X - 50, RB.Y - 50, 0);
            Right_Number = GetNumber(p1, p2);

            ////图幅号
            //p1 = new Point3d(LB.X, LB.Y, 0);
            //p2 = new Point3d(RT.X, RT.Y, 0);
            //Number = GetNumber(p1, p2);

            //图名
            Title = "";
            p1 = new Point3d(LB.X, LB.Y, 0);
            p2 = new Point3d(RT.X, RT.Y, 0);
            Title = GetNumber(p1, p2);


            //新建一个dwg
            //string templatePath = "acad.dwt";
            //DocumentCollection documentcoll = Application.DocumentManager;
            //Document document = documentcoll.Add(templatePath);
            //Database database = document.Database;




            LayerControl layerscontrol = new LayerControl();
            if (layerscontrol.haslayername("9800") == false)
            {
                colorgb col = new colorgb(255, 0, 0);
                layerscontrol.creatlayer("9800", col);
            }



            createTextStyle();

            draw();

            zoom();

        }



        private void getinfo()
        {
            Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
        

            Database database = HostApplicationServices.WorkingDatabase;
            Transaction traction = database.TransactionManager.StartTransaction();
            try
            {

                DocumentLock documentlock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();

                BlockTable blocktable = traction.GetObject(database.BlockTableId,
                                          OpenMode.ForRead) as BlockTable;

                Editor editor = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
                TypedValue[] typedvalue = new TypedValue[1];

                typedvalue.SetValue(new TypedValue((int)DxfCode.Start, "3dFace,LWPolyline"), 0);
                SelectionFilter selectionfilter = new SelectionFilter(typedvalue);
                PromptSelectionResult psr = editor.GetSelection(selectionfilter);


                if (psr.Status == PromptStatus.OK)
                {
                    SelectionSet selectionset = psr.Value;

                    ObjectId[] obj = new ObjectId[selectionset.Count];
                    obj = selectionset.GetObjectIds();
                    for (int i = 0; i < obj.Length; i++)
                    {
                        ObjectId objid = obj[i];


                        Entity entity = (Entity)traction.GetObject(objid, OpenMode.ForRead);
                        Point3dCollection coll = new Point3dCollection();

                        if (entity is Face)
                        {
                            Face f = entity as Face;
                            f.GetStretchPoints(coll);
                        }
                        else if (entity is Polyline)
                        {
                            Polyline line = entity as Polyline;
                            line.GetStretchPoints(coll);
                        }




                        List<double> x_list = new List<double>();
                        List<double> y_list = new List<double>();

                        List<int> flags = new List<int>();


                        for (int ii = 0; ii < 4; ii++)
                        {
                            x_list.Add(coll[ii].X);
                            y_list.Add(coll[ii].Y);
                        }
                        x_list.Sort();
                        y_list.Sort();


                        //右上
                        for (int ii = 0; ii < 4; ii++)
                        {
                            int x1 = (int)coll[ii].X;
                            int y1 = (int)coll[ii].Y;

                            if (x1 == (int)x_list[3] || x1 == (int)x_list[2])
                            {
                                if (y1 == (int)y_list[3] || y1 == (int)y_list[2])
                                {
                                    RT = coll[ii];
                                    flags.Add(ii);

                                    if (x1 == (int)x_list[3])
                                    {
                                        x_list.RemoveAt(3);
                                    }
                                    else
                                    {
                                        x_list.RemoveAt(2);
                                    }


                                    if (y1 == (int)y_list[3])
                                    {
                                        y_list.RemoveAt(3);
                                    }
                                    else
                                    {
                                        y_list.RemoveAt(2);
                                    }


                                    break;
                                }
                            }

                        }


                        //右下
                        for (int ii = 0; ii < 4; ii++)
                        {
                            int x1 = (int)coll[ii].X;

                            //
                            int y1 = (int)coll[ii].Y;
                            //

                            if (x1 == (int)x_list[2])
                            {

                                if (y1 == (int)y_list[0] || y1 == (int)y_list[1])
                                {
                                    RB = coll[ii];
                                    flags.Add(ii);
                                    x_list.RemoveAt(2);
                                    break;
                                }
                            }

                        }

                        //左上
                        for (int ii = 0; ii < 4; ii++)
                        {

                            int y1 = (int)coll[ii].Y;
                            //
                            int x1 = (int)coll[ii].X;
                            //
                            if (y1 == (int)y_list[2])
                            {
                                if (x1 == (int)x_list[0] || x1 == (int)x_list[1])
                                {
                                    LT = coll[ii];
                                    flags.Add(ii);
                                    y_list.RemoveAt(2);
                                    break;
                                }
                            }

                        }


                        //左下
                        for (int ii = 0; ii < 4; ii++)
                        {
                            if (flags.Contains(ii) == false)
                            {
                                LB = coll[ii];
                            }
                        }






                    }
                }

                traction.Commit();
                documentlock.Dispose();
            }
            catch (Exception ex)
            {

                System.Windows.Forms.MessageBox.Show(ex.ToString());

            }
            finally
            {
                traction.Dispose();
            }

        }



        private void draw()
        {


            double D2_5 = 2.5;

            double D15 = 15;
            double D20 = 20;
            double D47_5 = 47.5;        //内图廓线和外图廓线距离
            double D120 = 120;
            double D225 = 225;
            double D245 = 245;      //右下角附注

            double dist1 = 4;        //接图表第一格填充间距
            double dist2 = 7.071;  //接图表填充间距



            ObjectId HZ = gettextstyleID("HZ");
            ObjectId st = gettextstyleID("st");
            ObjectId ht = gettextstyleID("ht");
            ObjectId Standard = gettextstyleID("Standard");
            ObjectId ID12 = gettextstyleID("12");
            ObjectId ID123 = gettextstyleID("123");

            //ObjectId XDXT = gettextstyleID("细等线体");
            //ObjectId ZDXT = gettextstyleID("中等线体");
            //ObjectId ST = gettextstyleID("宋体");




            Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
            Database database = HostApplicationServices.WorkingDatabase;

            Transaction traction = database.TransactionManager.StartTransaction();

            DocumentLock documentlock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();


            BlockTable blocktable = traction.GetObject(database.BlockTableId,
                                      OpenMode.ForWrite) as BlockTable;

            BlockTableRecord blocktablerecord = traction.GetObject(blocktable[BlockTableRecord.ModelSpace],
                                           OpenMode.ForWrite) as BlockTableRecord;
            Editor editor = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;


            try
            {


                //内图廓


                ////左边线
                //Point3dCollection In1 = new Point3dCollection();
                //In1.Add(new Point3d(LT.X, LT.Y, 0));
                //In1.Add(new Point3d(LB.X, LB.Y, 0));
                //Polyline2d LeftLine = new Polyline2d(Poly2dType.SimplePoly, In1, 0, true, 0, 0, null);
                ////LeftLine.Color = Autodesk.AutoCAD.Colors.Color.FromColor(System.Drawing.Color.Red);
                //LeftLine.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                //LeftLine.Layer = "9800";

                //LeftLine.SetDatabaseDefaults();
                //blocktablerecord.AppendEntity(LeftLine);
                //traction.AddNewlyCreatedDBObject(LeftLine, true);

                ////下边线
                //Point3dCollection In2 = new Point3dCollection();
                //In2.Add(new Point3d(LB.X, LB.Y, 0));
                //In2.Add(new Point3d(RB.X, RB.Y, 0));
                //Polyline2d LowLine = new Polyline2d(Poly2dType.SimplePoly, In2, 0, true, 0, 0, null);
                //LowLine.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);

                //LowLine.SetDatabaseDefaults();
                //blocktablerecord.AppendEntity(LowLine);
                //traction.AddNewlyCreatedDBObject(LowLine, true);

                ////右边线
                //Point3dCollection In3 = new Point3dCollection();
                //In3.Add(new Point3d(RT.X, RT.Y, 0));
                //In3.Add(new Point3d(RB.X, RB.Y, 0));
                //Polyline2d RightLine = new Polyline2d(Poly2dType.SimplePoly, In3, 0, true, 0, 0, null);
                //RightLine.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                //RightLine.Layer = "9800";

                //RightLine.SetDatabaseDefaults();
                //blocktablerecord.AppendEntity(RightLine);
                //traction.AddNewlyCreatedDBObject(RightLine, true);

                //上边线
                //Point3dCollection In4 = new Point3dCollection();
                //In4.Add(new Point3d(LT.X, LT.Y, 0));
                //In4.Add(new Point3d(RT.X, RT.Y, 0));
                //Polyline2d TOPLine = new Polyline2d(Poly2dType.SimplePoly, In4, 0, true, 0, 0, null);
                //TOPLine.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                //TOPLine.Layer = "9800";

                //TOPLine.SetDatabaseDefaults();
                //blocktablerecord.AppendEntity(TOPLine);
                //traction.AddNewlyCreatedDBObject(TOPLine, true);




                //外图廓
                Point3dCollection Outcoll = new Point3dCollection();
                Outcoll.Add(new Point3d(LT.X - D47_5, LT.Y + D47_5, 0));
                Outcoll.Add(new Point3d(LB.X - D47_5, LB.Y - D47_5, 0));
                Outcoll.Add(new Point3d(RB.X + D47_5, RB.Y - D47_5, 0));
                Outcoll.Add(new Point3d(RT.X + D47_5, RT.Y + D47_5, 0));
                Outcoll.Add(new Point3d(LT.X - D47_5, LT.Y + D47_5, 0));

                Polyline2d line = new Polyline2d(Poly2dType.SimplePoly, Outcoll, 0, true, D2_5, D2_5, null);
                line.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                line.Layer = "9800";

                line.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(line);
                traction.AddNewlyCreatedDBObject(line, true);




                // 下边线
                Point3dCollection coll_B = new Point3dCollection();
                Line ll_B = new Line();

                double x1 = LB.X - 100;
                double ks = (RB.Y - LB.Y) / (RB.X - LB.X);
                double y1 = ks * (x1 - LB.X) + LB.Y;
                ll_B.StartPoint = new Point3d(x1, y1, 0);

                double x2 = RB.X + 100;
                double y2 = ks * (x2 - LB.X) + LB.Y;
                ll_B.EndPoint = new Point3d(x2, y2, 0);
                ll_B.IntersectWith(line, Intersect.ExtendThis, coll_B, 0, 0);
                Polyline2d Line_B = new Polyline2d(Poly2dType.SimplePoly, coll_B, 0, false, 0, 0, null);
                Line_B.Layer = "9800";
                Line_B.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);

                Line_B.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(Line_B);
                traction.AddNewlyCreatedDBObject(Line_B, true);

                //上边线
                Point3dCollection coll_T = new Point3dCollection();
                Line ll_T = new Line();

                x1 = LT.X - 100;
                ks = (RT.Y - LT.Y) / (RT.X - LT.X);
                y1 = ks * (x1 - LT.X) + LT.Y;
                ll_T.StartPoint = new Point3d(x1, y1, 0);

                x2 = LT.X + 100;
                y2 = ks * (x2 - LT.X) + LT.Y;
                ll_T.EndPoint = new Point3d(x2, y2, 0);
                ll_T.IntersectWith(line, Intersect.ExtendThis, coll_T, 0, 0);
                Polyline2d Line_T = new Polyline2d(Poly2dType.SimplePoly, coll_T, 0, false, 0, 0, null);
                Line_T.Layer = "9800";
                Line_T.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);

                Line_T.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(Line_T);
                traction.AddNewlyCreatedDBObject(Line_T, true);


                //左边线
                Point3dCollection coll_L = new Point3dCollection();
                Line ll_L = new Line();


                y1 = LB.Y - 100;
                ks = (LT.Y - LB.Y) / (LT.X - LB.X);
                x1 = LB.X + (y1 - LB.Y) / ks;
                ll_L.StartPoint = new Point3d(x1, y1, 0);

                y2 = LT.Y + 100;
                x2 = LB.X + (y2 - LB.Y) / ks;
                ll_L.EndPoint = new Point3d(x2, y2, 0);


                ll_L.IntersectWith(line, Intersect.ExtendThis, coll_L, 0, 0);
                Polyline2d Line_L = new Polyline2d(Poly2dType.SimplePoly, coll_L, 0, false, 0, 0, null);
                Line_L.Layer = "9800";
                Line_L.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);

                Line_L.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(Line_L);
                traction.AddNewlyCreatedDBObject(Line_L, true);


                //右边线
                Point3dCollection coll_R = new Point3dCollection();
                Line ll_R = new Line();


                y1 = RB.Y - 100;
                ks = (RT.Y - RB.Y) / (RT.X - RB.X);
                x1 = RB.X + (y1 - RB.Y) / ks;
                ll_R.StartPoint = new Point3d(x1, y1, 0);

                y2 = RT.Y + 100;
                x2 = RB.X + (y2 - RB.Y) / ks;
                ll_R.EndPoint = new Point3d(x2, y2, 0);


                ll_R.IntersectWith(line, Intersect.ExtendThis, coll_R, 0, 0);
                Polyline2d Line_R = new Polyline2d(Poly2dType.SimplePoly, coll_R, 0, false, 0, 0, null);
                Line_R.Layer = "9800";
                Line_R.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);

                Line_R.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(Line_R);
                traction.AddNewlyCreatedDBObject(Line_R, true);




                //
                //x坐标
                List<double> list_x = new List<double>();
                double x0 = 500 - LB.X % 500;
                x0 = LB.X + x0;
                list_x.Add(x0);

                while (x0 + 500 < RB.X)
                {
                    x0 = x0 + 500;
                    list_x.Add(x0);
                }

                //y坐标
                List<double> list_y = new List<double>();
                double y0 = 500 - LB.Y % 500;
                y0 = LB.Y + y0;
                list_y.Add(y0);

                while (y0 + 500 < LT.Y)
                {
                    y0 = y0 + 500;
                    list_y.Add(y0);
                }
                //


                //十字框标
                for (int i = 0; i < list_x.Count; i++)
                {
                    for (int j = 0; j < list_y.Count; j++)
                    {
                        double x = list_x[i];
                        double y = list_y[j];
                        Point3d p1 = new Point3d(x - 25, y, 0);
                        Point3d p2 = new Point3d(x + 25, y, 0);
                        Point3dCollection kb = new Point3dCollection();
                        kb.Add(p1);
                        kb.Add(p2);
                        Polyline2d kbline = new Polyline2d(Poly2dType.SimplePoly, kb, 0, false, 0, 0, null);
                        kbline.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                        kbline.Layer = "9800";

                        kbline.SetDatabaseDefaults();
                        blocktablerecord.AppendEntity(kbline);
                        traction.AddNewlyCreatedDBObject(kbline, true);


                        p1 = new Point3d(x, y - 25, 0);
                        p2 = new Point3d(x, y + 25, 0);
                        Point3dCollection kb2 = new Point3dCollection();
                        kb2.Add(p1);
                        kb2.Add(p2);
                        Polyline2d kbline2 = new Polyline2d(Poly2dType.SimplePoly, kb2, 0, false, 0, 0, null);
                        kbline2.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                        kbline2.Layer = "9800";

                        kbline2.SetDatabaseDefaults();
                        blocktablerecord.AppendEntity(kbline2);
                        traction.AddNewlyCreatedDBObject(kbline2, true);

                    }

                }


                List<Point3d> Below_List = new List<Point3d>();
                List<Point3d> Top_List = new List<Point3d>();
                List<Point3d> Left_List = new List<Point3d>();
                List<Point3d> Right_List = new List<Point3d>();

                //上下边线的短线
                for (int i = 0; i < list_x.Count; i++)
                {
                    double x = list_x[i];

                    double k = (RB.Y - LB.Y) / (RB.X - LB.X);
                    double y = k * (x - LB.X) + LB.Y;

                    Point3d p1 = new Point3d(x, y, 0);
                    Point3d p2 = new Point3d(x, y - 47.5, 0);
                    Point3dCollection pc = new Point3dCollection();
                    pc.Add(p1);
                    pc.Add(p2);
                    Polyline2d Kline = new Polyline2d(Poly2dType.SimplePoly, pc, 0, false, 0, 0, null);
                    Kline.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                    Kline.Layer = "9800";

                    Kline.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(Kline);
                    traction.AddNewlyCreatedDBObject(Kline, true);

                    Below_List.Add(p1);

                    y = k * (x - LT.X) + LT.Y;
                    p1 = new Point3d(x, y, 0);
                    p2 = new Point3d(x, y + 47.5, 0);
                    pc = new Point3dCollection();
                    pc.Add(p1);
                    pc.Add(p2);
                    Kline = new Polyline2d(Poly2dType.SimplePoly, pc, 0, false, 0, 0, null);
                    Kline.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                    Kline.Layer = "9800";

                    Kline.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(Kline);
                    traction.AddNewlyCreatedDBObject(Kline, true);

                    Top_List.Add(p1);

                }

                //左右边线的短线
                for (int i = 0; i < list_y.Count; i++)
                {
                    double y = list_y[i];
                    double k = (LT.Y - LB.Y) / (LT.X - LB.X);
                    double x = LB.X + (y - LB.Y) / k;

                    Point3d p1 = new Point3d(x, y, 0);
                    Point3d p2 = new Point3d(x - 47.5, y, 0);
                    Point3dCollection pc = new Point3dCollection();
                    pc.Add(p1);
                    pc.Add(p2);
                    Polyline2d Kline = new Polyline2d(Poly2dType.SimplePoly, pc, 0, false, 0, 0, null);
                    Kline.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                    Kline.Layer = "9800";

                    Kline.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(Kline);
                    traction.AddNewlyCreatedDBObject(Kline, true);

                    Left_List.Add(p1);

                    x = RB.X + (y - RB.Y) / k;
                    p1 = new Point3d(x, y, 0);
                    p2 = new Point3d(x + 47.5, y, 0);
                    pc = new Point3dCollection();
                    pc.Add(p1);
                    pc.Add(p2);
                    Kline = new Polyline2d(Poly2dType.SimplePoly, pc, 0, false, 0, 0, null);
                    Kline.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                    Kline.Layer = "9800";

                    Kline.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(Kline);
                    traction.AddNewlyCreatedDBObject(Kline, true);

                    Right_List.Add(p1);
                }




                //下边线坐标
                for (int i = 0; i < Below_List.Count; i++)
                {
                    double x = Below_List[i].X;
                    double y = Below_List[i].Y;

                    DBText text7 = new DBText();
                    string value7 = (x / 1000.0 % 100).ToString("F1");
                    if (value7.Length == 3)
                    {
                        value7 = "0" + value7;
                    }
                    text7.TextString = value7;
                    text7.Position = new Point3d(x - 22.5, y - 41.25, 0);
                    text7.Height = 15;
                    text7.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                    text7.Layer = "9800";
                    text7.TextStyle = HZ;
                    text7.WidthFactor = 0.75;

                    text7.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text7);
                    traction.AddNewlyCreatedDBObject(text7, true);


                    if (i == 0 || i == Below_List.Count - 1)
                    {
                        DBText text = new DBText();
                        string value = "34" + ((int)x / 1000 / 100).ToString();

                        text.TextString = value;
                        text.Position = new Point3d(x - 43, y - 36.25, 0);
                        text.Height = 10;
                        text.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                        text.Layer = "9800";
                        text.TextStyle = HZ;
                        text.WidthFactor = 0.75;

                        text.SetDatabaseDefaults();
                        blocktablerecord.AppendEntity(text);
                        traction.AddNewlyCreatedDBObject(text, true);
                    }

                }
                //上边线坐标
                for (int i = 0; i < Top_List.Count; i++)
                {
                    double x = Top_List[i].X;
                    double y = Top_List[i].Y;

                    DBText text7 = new DBText();
                    string value7 = (x / 1000.0 % 100).ToString("F1");
                    if (value7.Length == 3)
                    {
                        value7 = "0" + value7;
                    }
                    text7.TextString = value7;
                    text7.Position = new Point3d(x - 22.5, y + 26.25, 0);
                    text7.Height = 15;
                    text7.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                    text7.Layer = "9800";
                    text7.TextStyle = HZ;
                    text7.WidthFactor = 0.75;

                    text7.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text7);
                    traction.AddNewlyCreatedDBObject(text7, true);


                    if (i == 0 || i == Below_List.Count - 1)
                    {
                        DBText text = new DBText();
                        string value = "34" + ((int)x / 1000 / 100).ToString();

                        text.TextString = value;
                        text.Position = new Point3d(x - 43, y + 31.25, 0);
                        text.Height = 10;
                        text.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                        text.Layer = "9800";
                        text.TextStyle = HZ;
                        text.WidthFactor = 0.75;

                        text.SetDatabaseDefaults();
                        blocktablerecord.AppendEntity(text);
                        traction.AddNewlyCreatedDBObject(text, true);
                    }
                }

                //左边线坐标
                for (int i = 0; i < Left_List.Count; i++)
                {
                    double x = Left_List[i].X;
                    double y = Left_List[i].Y;

                    DBText text7 = new DBText();
                    string value7 = (y / 1000.0 % 100).ToString("F1");
                    if (value7.Length == 3)
                    {
                        value7 = "0" + value7;
                    }
                    text7.TextString = value7;
                    text7.Position = new Point3d(x - 37.5, y + 5, 0);
                    text7.Height = 15;
                    text7.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                    text7.Layer = "9800";
                    text7.TextStyle = HZ;
                    text7.WidthFactor = 0.75;

                    text7.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text7);
                    traction.AddNewlyCreatedDBObject(text7, true);


                    if (i == 0 || i == Left_List.Count - 1)
                    {
                        DBText text = new DBText();
                        string value = ((int)y / 1000 / 100).ToString();

                        text.TextString = value;
                        text.Position = new Point3d(x - 46.5, y + 21, 0);
                        text.Height = 10;
                        text.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                        text.Layer = "9800";
                        text.TextStyle = HZ;
                        text.WidthFactor = 0.75;

                        text.SetDatabaseDefaults();
                        blocktablerecord.AppendEntity(text);
                        traction.AddNewlyCreatedDBObject(text, true);
                    }

                }
                //右边线坐标
                for (int i = 0; i < Right_List.Count; i++)
                {
                    double x = Right_List[i].X;
                    double y = Right_List[i].Y;

                    DBText text7 = new DBText();
                    string value7 = (y / 1000.0 % 100).ToString("F1");
                    if (value7.Length == 3)
                    {
                        value7 = "0" + value7;
                    }
                    text7.TextString = value7;
                    text7.Position = new Point3d(x + 8.5, y + 5, 0);
                    text7.Height = 15;
                    text7.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                    text7.Layer = "9800";
                    text7.TextStyle = HZ;
                    text7.WidthFactor = 0.75;

                    text7.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text7);
                    traction.AddNewlyCreatedDBObject(text7, true);


                    if (i == 0 || i == Right_List.Count - 1)
                    {
                        DBText text = new DBText();
                        string value = ((int)y / 1000 / 100).ToString();

                        text.TextString = value;
                        text.Position = new Point3d(x, y + 21, 0);
                        text.Height = 10;
                        text.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                        text.Layer = "9800";
                        text.TextStyle = HZ;
                        text.WidthFactor = 0.75;

                        text.SetDatabaseDefaults();
                        blocktablerecord.AppendEntity(text);
                        traction.AddNewlyCreatedDBObject(text, true);
                    }
                }









                //右下角附注
                double xx = 0;
                double yy = 0;
                xx = RB.X - D245;
                yy = RB.Y - 78.75;

                List<string> RLnote = new List<string>();
                string str = "";
                str = "调查员: 赵永健";
                RLnote.Add(str);

                str = "检查员: 葛礼辉";
                RLnote.Add(str);

                for (int i = 0; i < RLnote.Count; i++)
                {

                    DBText text1 = new DBText();
                    text1.TextString = RLnote[i];
                    text1.Position = new Point3d(xx, yy, 0);
                    text1.Height = D15;
                    text1.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 4);
                    text1.Layer = "9800";
                    text1.TextStyle = HZ;

                    text1.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text1);
                    traction.AddNewlyCreatedDBObject(text1, true);

                    yy = yy - 30;
                }



                //比例尺
                xx = (RB.X - LB.X) / 2 + LB.X;
                yy = LB.Y - 93.75;

                DBText text2 = new DBText();
                text2.TextString = "1:5000";
                text2.Position = new Point3d(xx, yy, 0);
                text2.Height = D20;
                text2.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 2);
                text2.Layer = "9800";
                text2.HorizontalMode = TextHorizontalMode.TextCenter;
                text2.AlignmentPoint = new Point3d(xx, yy, 0);
                text2.TextStyle = ID12;
                text2.WidthFactor = 0.75;

                text2.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(text2);
                traction.AddNewlyCreatedDBObject(text2, true);







                //图名
                xx = (RB.X - LB.X) / 2 + LB.X;
                yy = LT.Y + 138.75;
                DBText text4 = new DBText();
                text4.TextString = Title;
                text4.Position = new Point3d(xx, yy, 0);
                text4.Height = 25;
                text4.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 6);
                text4.Layer = "9800";
                text4.HorizontalMode = TextHorizontalMode.TextCenter;
                text4.AlignmentPoint = new Point3d(xx, yy, 0);
                text4.TextStyle = ID123;
                text4.WidthFactor = 1;

                text4.SetDatabaseDefaults();
                blocktablerecord.AppendEntity(text4);
                traction.AddNewlyCreatedDBObject(text4, true);


                string[] str_lbtxt = new string[3];
                str_lbtxt[0] = "2012年8月调查。";
                str_lbtxt[1] = "1980西安坐标系。";
                str_lbtxt[2] = "1985国家高程基准。";

                xx = LB.X;
                yy = LB.Y - 78.75;
                for (int i = 0; i < 3; i++)
                {
                    DBText text_1 = new DBText();
                    text_1.TextString = str_lbtxt[i];
                    text_1.Position = new Point3d(xx, yy, 0);
                    text_1.Height = D15;
                    text_1.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 4);
                    text_1.Layer = "9800";
                    text_1.TextStyle = HZ;
                    text_1.WidthFactor = 1;

                    text_1.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text_1);
                    traction.AddNewlyCreatedDBObject(text_1, true);

                    yy = yy - 30;
                }






                //公司名称

                string Company = "四川中水成勘院测绘工程有限责任公司";
                xx = LB.X - 82.75;
                yy = LB.Y;
                for (int i = Company.Length - 1; i >= 0; i--)
                {
                    DBText text6 = new DBText();
                    text6.TextString = Company[i].ToString();
                    text6.Position = new Point3d(xx, yy, 0);
                    text6.Height = D20;
                    text6.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 2);
                    text6.Layer = "9800";
                    text6.TextStyle = HZ;
                    text6.WidthFactor = 1;

                    text6.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text6);
                    traction.AddNewlyCreatedDBObject(text6, true);
                    yy = yy + 25;
                }


                //接图表
                //接图表左下角坐标
                xx = LT.X;
                yy = LT.Y + 63.75;

                for (int i = 0; i < 4; i++)
                {
                    Point3dCollection Lcoll = new Point3dCollection();
                    Lcoll.Add(new Point3d(xx, yy + D120, 0));
                    Lcoll.Add(new Point3d(xx, yy, 0));
                    Polyline2d JTB = new Polyline2d(Poly2dType.SimplePoly, Lcoll, 0, true, 0, 0, null);
                    JTB.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                    JTB.Layer = "9800";

                    JTB.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(JTB);
                    traction.AddNewlyCreatedDBObject(JTB, true);

                    xx = xx + 75;
                }

                xx = LT.X;
                yy = LT.Y + 63.75;
                for (int i = 0; i < 4; i++)
                {
                    Point3dCollection Lcoll = new Point3dCollection();
                    Lcoll.Add(new Point3d(xx, yy, 0));
                    Lcoll.Add(new Point3d(xx + D225, yy, 0));
                    Polyline2d JTB = new Polyline2d(Poly2dType.SimplePoly, Lcoll, 0, true, 0, 0, null);
                    JTB.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);
                    JTB.Layer = "9800";

                    JTB.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(JTB);
                    traction.AddNewlyCreatedDBObject(JTB, true);

                    yy = yy + 40;
                }








                //接图表填充
                //接图表左上角坐标
                xx = LT.X + D225 / 3;
                yy = LT.Y + 63.75 + (D120 / 3) * 2;
                Point3dCollection coll = new Point3dCollection();
                coll.Add(new Point3d(xx, yy, 0));
                coll.Add(new Point3d(xx, yy - D120 / 3, 0));
                coll.Add(new Point3d(xx + D225 / 3, yy - D120 / 3, 0));
                coll.Add(new Point3d(xx + D225 / 3, yy, 0));
                coll.Add(new Point3d(xx, yy, 0));

                Polyline2d line2d = new Polyline2d(Poly2dType.SimplePoly, coll, 0, false, 0, 0, null);
                xx = xx + dist1;
                for (int i = 0; i < 30; i++)
                {
                    Line l = new Line();
                    l.StartPoint = new Point3d(xx + 90, yy + 90, 0);
                    l.EndPoint = new Point3d(xx - 90, yy - 90, 0);
                    Point3dCollection IP = new Point3dCollection();

                    l.IntersectWith(line2d, Intersect.ExtendThis, IP, 0, 0);
                    Polyline2d FillLine = new Polyline2d(Poly2dType.SimplePoly, IP, 0, false, 0, 0, null);
                    FillLine.Layer = "9800";
                    FillLine.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 1);

                    FillLine.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(FillLine);
                    traction.AddNewlyCreatedDBObject(FillLine, true);

                    xx = xx + dist2;
                }



                Point3d pp1 = new Point3d(LT.X - 3000, LT.Y + 2000, 0);
                Point3d pp2 = LT;
                string str1 = GetNumber(pp1, pp2);

                pp1 = LT;
                pp2 = new Point3d(LT.X + 3000, LT.Y + 2000, 0);
                string str2 = GetNumber(pp1, pp2);

                pp1 = RT;
                pp2 = new Point3d(RT.X + 3000, RT.Y + 2000, 0);
                string str3 = GetNumber(pp1, pp2);


                pp1 = LT;
                pp2 = new Point3d(LT.X - 3000, LT.Y - 2000, 0);
                string str4 = GetNumber(pp1, pp2);


                pp1 = RB;
                pp2 = new Point3d(RB.X + 3000, RB.Y + 2000, 0);
                string str5 = GetNumber(pp1, pp2);


                pp1 = LB;
                pp2 = new Point3d(LB.X - 3000, LB.Y - 2000, 0);
                string str6 = GetNumber(pp1, pp2);

                pp1 = RB;
                pp2 = new Point3d(RB.X - 3000, RB.Y - 2000, 0);
                string str7 = GetNumber(pp1, pp2);


                pp1 = RB;
                pp2 = new Point3d(RB.X + 3000, RB.Y - 2000, 0);
                string str8 = GetNumber(pp1, pp2);


                double xx1 = LT.X + 37.5;
                double yy1 = LT.Y + 83.75;

                double xx2 = 0;
                double yy2 = 0;

                for (int i = 1; i < 9; i++)
                {
                    string value = "";

                    switch (i)
                    {
                        case 1:

                            value = str1;
                            xx2 = xx1;
                            yy2 = yy1 + 80;
                            break;

                        case 2:
                            value = str2;
                            xx2 = xx1 + 75;
                            yy2 = yy1 + 80;
                            break;
                        case 3:
                            value = str3;
                            xx2 = xx1 + 150;
                            yy2 = yy1 + 80;
                            break;

                        case 4:
                            value = str4;
                            xx2 = xx1;
                            yy2 = yy1 + 40;
                            break;

                        case 5:
                            value = str5;
                            xx2 = xx1 + 150;
                            yy2 = yy1 + 40;
                            break;

                        case 6:
                            value = str6;
                            xx2 = xx1;
                            yy2 = yy1;
                            break;

                        case 7:
                            value = str7;
                            xx2 = xx1 + 75;
                            yy2 = yy1;
                            break;
                        case 8:
                            value = str6;
                            xx2 = xx1 + 150;
                            yy2 = yy1;
                            break;

                        default:
                            break;
                    }

                    if (value != "")
                    {
                        value = value.Substring(value.Length - 3);
                    }


                    DBText text_L = new DBText();
                    text_L.TextString = value;
                    text_L.Position = new Point3d(xx2, yy2, 0);
                    text_L.Height = 12.5;
                    text_L.WidthFactor = 0.75;
                    text_L.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                    text_L.Layer = "9800";
                    text_L.TextStyle = HZ;
                    text_L.HorizontalMode = TextHorizontalMode.TextCenter;
                    text_L.VerticalMode = TextVerticalMode.TextVerticalMid;
                    text_L.AlignmentPoint = new Point3d(xx2, yy2, 0);

                    text_L.SetDatabaseDefaults();
                    blocktablerecord.AppendEntity(text_L);
                    traction.AddNewlyCreatedDBObject(text_L, true);


                }







                ////接图表中间行——左
                //if (string.IsNullOrEmpty(Left_Number) == false)
                //{
                //    //接图表左下角坐标
                //    xx1 = LT.X;
                //    yy1 = LT.Y + D22 + D2 + D6;

                //    xx2 = xx1 + D90 / 3 / 2;
                //    yy2 = yy1 + D48 / 3 * 1.5;

                //    DBText text_L = new DBText();
                //    text_L.TextString = Left_Number;
                //    text_L.Position = new Point3d(xx2, yy2, 0);
                //    text_L.Height = D5;
                //    text_L.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                //    text_L.Layer = layername;
                //    text_L.TextStyle = HZ;
                //    text_L.HorizontalMode = TextHorizontalMode.TextCenter;
                //    text_L.VerticalMode = TextVerticalMode.TextVerticalMid;
                //    text_L.AlignmentPoint = new Point3d(xx2, yy2, 0);

                //    text_L.SetDatabaseDefaults();
                //    blocktablerecord.AppendEntity(text_L);
                //    traction.AddNewlyCreatedDBObject(text_L, true);
                //}

                ////接图表中间行——右
                //if (string.IsNullOrEmpty(Right_Number) == false)
                //{
                //    //接图表左下角坐标
                //    xx1 = LT.X;
                //    yy1 = LT.Y + D22 + D2 + D6;

                //    xx2 = xx1 + D90 / 3 * 2.5;
                //    yy2 = yy1 + D48 / 3 * 1.5;

                //    DBText text_R = new DBText();
                //    text_R.TextString = Right_Number;
                //    text_R.Position = new Point3d(xx2, yy2, 0);
                //    text_R.Height = D5;
                //    text_R.Color = Autodesk.AutoCAD.Colors.Color.FromColorIndex(Autodesk.AutoCAD.Colors.ColorMethod.ByColor, 3);
                //    text_R.Layer = layername;
                //    text_R.TextStyle = HZ;
                //    text_R.HorizontalMode = TextHorizontalMode.TextCenter;
                //    text_R.VerticalMode = TextVerticalMode.TextVerticalMid;
                //    text_R.AlignmentPoint = new Point3d(xx2, yy2, 0);

                //    text_R.SetDatabaseDefaults();
                //    blocktablerecord.AppendEntity(text_R);
                //    traction.AddNewlyCreatedDBObject(text_R, true);
                //}


                traction.Commit();

            }
            catch (Autodesk.AutoCAD.Runtime.Exception ex)
            {
                System.Windows.Forms.MessageBox.Show(ex.ToString());
            }
            finally
            {
                traction.Dispose();
                documentlock.Dispose();

            }

        }





        private void createTextStyle()
        {
            Database database = HostApplicationServices.WorkingDatabase;

            Transaction traction = database.TransactionManager.StartTransaction();

            DocumentLock documentlock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();



            TextStyleTable styletable = traction.GetObject(database.TextStyleTableId, OpenMode.ForWrite) as TextStyleTable;

            string stylename = "ht";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "SIMHEI.TTF";
                //record.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 1;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }
            stylename = "HZ";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "rs.shx";
                R1.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 0.75;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }
            stylename = "st";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "STSONG.TTF";
                //R1.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 1;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }
            stylename = "Standard";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "rs.shx";
                R1.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 0.75;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }
            stylename = "123";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "SIMHEI.TTF";
                //R1.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 0.75;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }
            stylename = "12";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "complex.shx";
                //R1.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 0.75;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }

            stylename = "细等线体";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R1 = new TextStyleTableRecord();
                R1.Name = stylename;
                //R1.FileName = "方正细等线简体";
                R1.FileName = "FZXDXJW.TTF";
                //record.BigFontFileName = "hztxt.shx";
                R1.ObliquingAngle = 0;
                R1.XScale = 1;
                ObjectId textstyleID = styletable.Add(R1);
                traction.AddNewlyCreatedDBObject(R1, true);
                //database.Textstyle = textstyleID;
            }

            stylename = "中等线体";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R2 = new TextStyleTableRecord();
                R2.Name = stylename;
                //R2.FileName = "方正中等线简体";
                R2.FileName = "FZZDXJW.TTF";
                //record.BigFontFileName = "hztxt.shx";
                R2.ObliquingAngle = 0;
                R2.XScale = 1;
                ObjectId textstyleID = styletable.Add(R2);
                traction.AddNewlyCreatedDBObject(R2, true);
                //database.Textstyle = textstyleID;
            }
            stylename = "宋体";
            if (styletable.Has(stylename) == false)
            {
                TextStyleTableRecord R3 = new TextStyleTableRecord();
                R3.Name = stylename;
                //R3.FileName = "华文宋体";
                R3.FileName = "STSONG.TTF";
                //record.BigFontFileName = "hztxt.shx";
                R3.ObliquingAngle = 0;
                R3.XScale = 1;
                ObjectId textstyleID = styletable.Add(R3);
                traction.AddNewlyCreatedDBObject(R3, true);
                //database.Textstyle = textstyleID;
            }

            traction.Commit();
            documentlock.Dispose();

        }




        private ObjectId gettextstyleID(string Name)
        {
            Database database = HostApplicationServices.WorkingDatabase;

            Transaction traction = database.TransactionManager.StartTransaction();

            DocumentLock documentlock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();



            TextStyleTable styletable = traction.GetObject(database.TextStyleTableId, OpenMode.ForWrite) as TextStyleTable;
            //BlockTableRecord blocktablerecord = traction.GetObject(blocktable[BlockTableRecord.ModelSpace],
            //                               OpenMode.ForWrite) as BlockTableRecord;
            TextStyleTableRecord record = traction.GetObject(styletable[Name], OpenMode.ForRead) as TextStyleTableRecord;
            ObjectId ID = record.ObjectId;
            traction.Commit();
            documentlock.Dispose();

            return ID;


        }




        private void zoom()
        {
            Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
            Database database = HostApplicationServices.WorkingDatabase;
            Editor editor = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
            using (Transaction traction = database.TransactionManager.StartTransaction())
            {
                ViewTableRecord currview = editor.GetCurrentView();
                currview.CenterPoint = new Point2d((RT.X - LT.X) / 2 + LT.X, (LT.Y - LB.Y) / 2 + LB.Y);
                currview.ViewDirection = new Vector3d(0, 0, 1);
                currview.Width = RT.X - LT.X + 500;
                currview.Height = LT.Y - LB.Y + 500;
                editor.SetCurrentView(currview);
                traction.Commit();
            }
        }




        private string GetNumber(Point3d p1, Point3d p2)
        {
            string TValue = "";

            Document document = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
            Database database = HostApplicationServices.WorkingDatabase;


            using (Transaction traction = database.TransactionManager.StartTransaction())
            {
                DocumentLock documentlock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();

                BlockTable blocktable = traction.GetObject(database.BlockTableId,
                                          OpenMode.ForRead) as BlockTable;

                Editor editor = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
                TypedValue[] typed = new TypedValue[1];
                typed.SetValue(new TypedValue((int)DxfCode.Start, "3dFace,LWPolyline,Polyline,Polyline2d"), 0);
                SelectionFilter filter = new SelectionFilter(typed);

                PromptSelectionResult psr = editor.SelectWindow(p1, p2, filter);
                if (psr.Status == PromptStatus.OK)
                {
                    SelectionSet selectionset = psr.Value;

                    ObjectId[] obj = new ObjectId[selectionset.Count];
                    obj = selectionset.GetObjectIds();
                    for (int i = 0; i < obj.Length; i++)
                    {
                        ObjectId objid = obj[i];
                        Entity entity = (Entity)traction.GetObject(objid, OpenMode.ForRead);

                        if (entity is Face)
                        {
                            TypedValue[] typed_T = new TypedValue[2];
                            typed_T.SetValue(new TypedValue((int)DxfCode.Start, "Text"), 0);
                            typed_T.SetValue(new TypedValue((int)DxfCode.LayerName, "TREE_LAYER"), 1);

                            SelectionFilter filter_T = new SelectionFilter(typed_T);
                            PromptSelectionResult psr_T = editor.SelectWindow(p1, p2, filter_T);

                            if (psr_T.Status == PromptStatus.OK)
                            {
                                SelectionSet set_T = psr_T.Value;
                                ObjectId[] obj_T = new ObjectId[set_T.Count];
                                obj_T = set_T.GetObjectIds();
                                for (int j = 0; j < obj_T.Length; j++)
                                {

                                    ObjectId id_T = obj_T[i];
                                    Entity entits = (Entity)traction.GetObject(id_T, OpenMode.ForRead);
                                    if (entits is DBText)
                                    {
                                        DBText text = entits as DBText;
                                        TValue = text.TextString;
                                        break;
                                    }
                                }
                            }
                            break;
                        }
                        else if (entity is Polyline)
                        {

                            TypedValue[] typed_T = new TypedValue[2];
                            typed_T.SetValue(new TypedValue((int)DxfCode.Start, "Text"), 0);
                            typed_T.SetValue(new TypedValue((int)DxfCode.LayerName, "TREE_LAYER"), 1);

                            SelectionFilter filter_T = new SelectionFilter(typed_T);
                            PromptSelectionResult psr_T = editor.SelectWindow(p1, p2, filter_T);

                            if (psr_T.Status == PromptStatus.OK)
                            {
                                SelectionSet set_T = psr_T.Value;
                                ObjectId[] obj_T = new ObjectId[set_T.Count];
                                obj_T = set_T.GetObjectIds();
                                for (int j = 0; j < obj_T.Length; j++)
                                {

                                    ObjectId id_T = obj_T[j];
                                    Entity entits = (Entity)traction.GetObject(id_T, OpenMode.ForRead);
                                    if (entits is DBText)
                                    {
                                        DBText text = entits as DBText;
                                        TValue = text.TextString;
                                        break;
                                    }
                                }
                            }
                            break;

                        }

                    }

                }
                documentlock.Dispose();
                traction.Commit();
            }

            return TValue;
        }







    }
}