1 using System;  2 using System.Collections.Generic;  3 using System.ComponentModel;  4 using System.Data;  5 using System.Drawing;  6 using System.Text;  7 using System.Windows.Forms;  8   9 using AutoCAD; 10  11 namespace road 12 { 13     public class CadMerge 14     { 15         #region members 16  17         private AcadApplication app = null; 18         private AcadDocument docLine = null; 19         private AcadDocument docLineAnno = null; 20         private AcadDocument docPoint = null; 21         private AcadDocument docPointAnno = null; 22  23         private AcadModelSpace msLineAnno = null; 24  25         private string dirPath = ""; 26         private string tempPath = ""; 27         private string linePath = ""; 28         private string pointPath = ""; 29         private string pointAnnoPath = ""; 30         private string lineAnnoPath = ""; 31  32         private ProgressBar m_bar = null; 33  34         #endregion 35  36         public CadMerge(string path, ProgressBar bar) 37         { 38             this.dirPath = path; 39             m_bar = bar; 40             init(); 41         } 42  43         //初始化参数 44         private void init() 45         { 46             dirPath = dirPath+"\\"; 47             tempPath = dirPath + "temp\\"; 48             linePath = tempPath + "line.dwg"; 49             lineAnnoPath = dirPath + MainForm.m_resultDwgName; 50             pointPath = tempPath + "point.dwg"; 51             pointAnnoPath = tempPath + "point_anno.dwg"; 52  53             app = new AcadApplication(); 54             m_bar.PerformStep(); 55             //app.Application.Visible = true; 56             docLine = app.Documents.Open(linePath, null, null); 57             docLineAnno = app.Documents.Open(lineAnnoPath, null, null); 58             m_bar.PerformStep(); 59             docPoint = app.Documents.Open(pointPath, null, null); 60             docPointAnno = app.Documents.Open(pointAnnoPath, null, null); 61             m_bar.PerformStep(); 62         } 63  64         //关闭cad文档 65         private void CloseDocuments(AcadApplication app) 66         { 67             AcadDocuments docs = app.Documents; 68             foreach (AcadDocument doc in docs) 69             { 70                 if (doc.ReadOnly) 71                 { 72                     doc.Close(false, null); 73                 } 74                 else 75                 { 76                     doc.Close(true, null); 77                 } 78             } 79         } 80  81         //合并cad文档 82         public void MergeCADLayers() 83         { 84             msLineAnno = docLineAnno.ModelSpace; 85             AcadModelSpace msLine = docLine.ModelSpace; 86             AcadModelSpace msPoint = docPoint.ModelSpace; 87             AcadModelSpace msPointAnno = docPointAnno.ModelSpace; 88             updateLineAnno(); 89             AddLineToLineAnno(msLineAnno, msLine); 90             m_bar.PerformStep(); 91             AddPointToLineAnno(msLineAnno, msPoint); 92             m_bar.PerformStep(); 93             AddPointAnnoToLineAnno(msLineAnno, msPointAnno); 94             updateColor(); 95             app.Update(); 96             docLineAnno.Save(); 97             CloseDocuments(app); 98         } 99 100         //更新线标记图层101         private void updateLineAnno()102         {103             foreach (AcadEntity entity in msLineAnno)104             {105                 if (entity is AcadText)106                 {107                     AcadText text = (AcadText)entity;108                     msLineAnno.AddText(text.TextString, getPoint(text.InsertionPoint), text.Height);109                     text.Delete();110                 }111             }112         }113 114         //点的转换，新坐标要求115         private double[] getPoint(object from)116         {117             double[] point = new double[3];118             point[0] = ((double[])from)[0]-200000;119             point[1] = ((double[])from)[1]-200000;120             point[2] = 0;121 122             return point;123         }124 125         /// <summary>更新线和标记的颜色，标记的文字大小126 /// </summary>127         private void updateColor()128         {129             foreach (AcadEntity entity in msLineAnno)130             {131                 if (entity is AcadText)132                 {133                     AcadText text = (AcadText)entity;134                     text.color = ACAD_COLOR.acRed;135                     text.Height = 3.5;136                 }137                 else if (entity is AcadLWPolyline)138                 {139                     AcadLWPolyline line = (AcadLWPolyline)entity;140                     line.color = ACAD_COLOR.acBlue;141                 }142                 else if (entity is AcadLine)143                 {144                     AcadLine line = (AcadLine)entity;145                     line.color = ACAD_COLOR.acBlue;146                 }147                 else if (entity is AcadPoint)148                 {149                     AcadPoint point = (AcadPoint)entity;150                     point.color = ACAD_COLOR.acGreen;151                 }152                 else if (entity is AcadSpline)153                 {154                     AcadSpline line = (AcadSpline)entity;155                     line.color = ACAD_COLOR.acBlue;156                 }157                 else if (entity is AcadPolyline)158                 {159                     AcadPolyline line = (AcadPolyline)entity;160                     line.color = ACAD_COLOR.acBlue;161                 }162                 //MessageBox.Show(entity.ObjectName);163             }164         }165 166         /// <summary>将点标记添加到线标记图层167 /// </summary>168         private void AddPointAnnoToLineAnno(AcadModelSpace msLineAnno, AcadModelSpace msPointAnno)169         {170             foreach (AcadEntity entity in msPointAnno)171             {172                 if (entity is AcadText)173                 {174                     AcadText text = (AcadText)entity;175                     msLineAnno.AddText(text.TextString,getPoint(text.InsertionPoint),text.Height);176                 }177             }178         }179 180         /// <summary>将线添加到线标记图层181 /// </summary>182         private void AddLineToLineAnno(AcadModelSpace msLineAnno,AcadModelSpace msLine)183         {184             foreach (AcadEntity entity in msLine)185             {186                 if (entity is AcadLWPolyline)187                 {188                     AcadLWPolyline line = (AcadLWPolyline)entity;189                     double[] fromPoints = (double[])line.Coordinates;190                     int count = fromPoints.Length;191                     double newCount = count * 1.5;192                     int newCounti = (int)newCount;193                     double[] points = new double[newCounti];194 195                     //原entity中double数组为x,y,x,y196 //新Polyline要求点为x,y,z,x,y,z,此处z=0197                     for (int i = 0; i < count; i++)198                     {199 200                         int index = i / 2;201                         int j = index * 3;202 203                         if (i % 2 == 0)204                         {205                             points[j] = fromPoints[i]-200000;206                             points[j + 2] = 0;207                         }208                         else209                         {210                             points[j + 1] = fromPoints[i]-200000;211                         }212                     }213                     msLineAnno.AddPolyline(points);214                 }215                 else if (entity is AcadLine)216                 {217                     AcadLine line = (AcadLine)entity;218                     double[] startPoint = new double[3];219                     double[] endPoint = new double[3];220                     startPoint[0] = ((double[])line.StartPoint)[0] - 200000;221                     startPoint[1] = ((double[])line.StartPoint)[1] - 200000;222                     startPoint[2] = 0;223                     endPoint[0] = ((double[])line.EndPoint)[0] - 200000;224                     endPoint[1] = ((double[])line.EndPoint)[1] - 200000;225                     endPoint[2] = 0;226                     msLineAnno.AddLine(startPoint, endPoint);227                 }228             }229         }230 231         /// <summary>将点添加到线标记图层232 /// </summary>233         private void AddPointToLineAnno(AcadModelSpace msLineAnno, AcadModelSpace msPoint)234         {235             foreach (AcadEntity entity in msPoint)236             {237                 if (entity is AcadPoint)238                 {239                     AcadPoint point = (AcadPoint)entity;240                     double[] fromPoint = (double[])point.Coordinates;241                     double[] topoint = new double[3];242                     topoint[0] = fromPoint[0]-200000;243                     topoint[1] = fromPoint[1] - 200000;244                     topoint[2] = 0;245                     msLineAnno.AddPoint(topoint); ;246                 }247             }248         }249     }250 }

AcadTextStyle style=docLineAnno.TextStyles.Add("宋体");//style.fontFile="C:/WINDOWS/Fonts/simsun.ttc"; // 程序在其他地方使用时，生成的cad文件打开时，可能会需要选择字体style.SetFont("宋体",false,false,0,0); //cad文件打开时，不需要选择字体//style.fontFile="C:/Programe Files/AutoCAD 2004/gbcbig.shx"; // 程序在其他地方使用时，生成的cad文件打开时，可能会需要选择字体docLineAnno.ActiveTextStyle=style;

foreach(AcadEntity entity in msLineAnno){if(entity is AcadText)    {        AcadText text=(AcadText)entity;        text.StyleName="宋体"；        text.color=ACAD_COLOR.acByLayer;        text.Height=3.5;        text.ScaleFactor=0.75;            }}