【共享】acad的net例子，初学者可以看一看

Source_Liu · 发表于 2009-5-30 07:59:00

using System;
using System.Collections.Generic;
using System.Text;
using Autodesk..EditorInput ;
using Autodesk.AutoCAD.Runtime ;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices ;
namespace CH02
{
public class Class1
{
      //--------------------------------------------------------------
      // 功能:获取用户输入
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("GetData")]
      public void GetData()
      {
         //获取Editor对象
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         //获取整型数据
         PromptIntegerOptions intOp = new PromptIntegerOptions("请输入多边形的边数：");
         PromptIntegerResult intRes;
         intRes = ed.GetInteger(intOp);
         //判断用户输入
         if (intRes.Status == PromptStatus.OK)
         {
            int nSides = intRes.Value;
            ed.WriteMessage("多边形的边数为：" + nSides);
         } if (intRes.Status == PromptStatus.Cancel)
         {
            ed.WriteMessage("用户按了取消ESC键/n" );
         }
      }
      //--------------------------------------------------------------
      // 功能:要求用户输入点
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
[CommandMethod("PickPoint")]
      static public void PickPoint()
{
            //获取Editor对象
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
   PromptPointOptions promptPtOp = new PromptPointOptions("选择一个点：");
            //指定的基点，如果指定了该点，则在选择的时候绘制一条橡皮线。
            promptPtOp.BasePoint = new Autodesk.AutoCAD.Geometry.Point3d(0, 0, 0);
   PromptPointResult resPt;
   resPt = ed.GetPoint(promptPtOp);
   if (resPt.Status == PromptStatus.OK)
   {
                  ed.WriteMessage("选择的点为：" + resPt.Value.ToString());
   }
         }
         //--------------------------------------------------------------
         // 功能:获取选择集
         // 作者：
         // 日期：2007-7-20
         // 说明：
         //
         //----------------------------------------------------------------
[CommandMethod("SelectEnt")]
      static public void SelectEnt()
{
            //获取Editor对象
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
            PromptSelectionOptions selectionOp = new PromptSelectionOptions();
            PromptSelectionResult ssRes = ed.GetSelection(selectionOp);
            if (ssRes.Status == PromptStatus.OK)
            {
               SelectionSet SS = ssRes.Value;
               int nCount = SS.Count;
               ed.WriteMessage("选择了{0}个实体"  , nCount);
            }
         }
         //--------------------------------------------------------------
         // 功能:获取选择集（带过滤）
         // 作者：
         // 日期：2007-7-20
         // 说明：
         //
         //----------------------------------------------------------------
      [CommandMethod("SelectEnt2")]
      static public void SelectEnt2()
{
            //获取Editor对象
            Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
            // 定义选择集选项
            PromptSelectionOptions selectionOp = new PromptSelectionOptions();
               //创建选择集过滤器，只选择块对象
            TypedValue[] filList = new TypedValue[1];
            filList[0] = new TypedValue((int)DxfCode.Start, "INSERT");
            SelectionFilter filter = new SelectionFilter(filList);
            PromptSelectionResult ssRes = ed.GetSelection(selectionOp, filter);
            if (ssRes.Status == PromptStatus.OK)
            {
               SelectionSet SS = ssRes.Value;
               int nCount = SS.Count;
               ed.WriteMessage("选择了{0}个块"  , nCount);
            }
         }
   }

  }

Source_Liu · 发表于 2009-5-30 08:00:00

using System;
using System.Collections.Generic;
using System.Text;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Geometry;
namespace CH03
{
public class Class1
{
      //--------------------------------------------------------------
      // 功能:创建一个新层
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("CreateLayer")]
      public void CreateLayer()
      {
         ObjectId layerId;
         Database db = HostApplicationServices.WorkingDatabase;
         //开始一个事务
         Transaction trans = db.TransactionManager.StartTransaction();
         try
         {
            //首先取得层表
            LayerTable lt = (LayerTable)trans.GetObject(db.LayerTableId, OpenMode.ForWrite);
            //检查MyLayer层是否存在
            if (lt.Has("MyLayer"))
            {
                  layerId = lt["MyLayer"];
            }
            else
            {
                  //如果MyLayer层不存在，就创建它
                  LayerTableRecord ltr = new LayerTableRecord();
                  ltr.Name = "MyLayer"; //设置层的名字
                  layerId = lt.Add(ltr);
                  trans.AddNewlyCreatedDBObject(ltr, true);
            }
            //提交事务
            trans.Commit();
         }
         catch (Autodesk.AutoCAD.Runtime.Exception e)
         {
            //放弃事务
            trans.Abort();
         }
         finally
         {
            // 显式地释放
            trans.Dispose();
         }
      }
      //--------------------------------------------------------------
      // 功能:创建一个圆
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("CreateCircle")]
      public void  CreateCircle()
      {
         Database db = HostApplicationServices.WorkingDatabase;
         // 使用 "using" ，结束是自动调用事务的 "Dispose"
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            //获取块表和模型空间
            BlockTable bt = (BlockTable)(trans.GetObject(db.BlockTableId, OpenMode.ForRead));
            BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
            //创建一个圆并添加到块表记录（模型空间）
            Point3d center = new Point3d(10, 10, 0);
            Circle circle = new Circle(center, Vector3d.ZAxis, 10.0);
            circle.ColorIndex = 1;
            btr.AppendEntity(circle);
            trans.AddNewlyCreatedDBObject(circle, true);
            trans.Commit();
         }
      }
      //--------------------------------------------------------------
      // 功能:创建一个块定义（块表记录）
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      public ObjectId CreateBlkDef()
      {
         //定义函数的返回值ObjectId
         ObjectId blkObjId = new ObjectId();
         Database db = HostApplicationServices.WorkingDatabase;
         // 使用 "using"关键字指定事务的边界
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            //获取块表
            BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForWrite);
            //通过块名myBlkName判断块表中是否包含块表记录
            if ((bt.Has("myBlkName")))
            {
                  blkObjId = bt["myBlkName"];//如果已经存在，通过块名获取块对应的ObjectId
            }
            else
            {
                  //创建一个圆
                  Point3d center = new Point3d(10, 10, 0);
                  Circle circle = new Circle(center, Vector3d.ZAxis, 2);
                  circle.ColorIndex = 1;
                  //创建文本Text:
                  MText text = new MText();
                  text.Contents = " ";
                  text.Location = center;
                  text.ColorIndex = 2;
                  //创建新的块表记录 myBlkName
                  BlockTableRecord newBtr = new BlockTableRecord();
                  newBtr.Name = "myBlkName";
                  newBtr.Origin = center;
                  //保存块表记录到块表
                  blkObjId = bt.Add(newBtr); // 返回块对应的ObjectId
                  trans.AddNewlyCreatedDBObject(newBtr, true); //Let the transaction know about any object/entity you add to the database!

                  //保存新创建的实体到块表记录
                  newBtr.AppendEntity(circle);
                  newBtr.AppendEntity(text);
                  // 通知事务新创建了对象
                  trans.AddNewlyCreatedDBObject(circle, true);
                  trans.AddNewlyCreatedDBObject(text, true);
            }
            trans.Commit(); //提交事务
         }
         return blkObjId;
      }
      //--------------------------------------------------------------
      // 功能:创建一个块引用
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("CreateBlk")]
      public void CreateBlkRef()
      {


         //获取块的插入点
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         PromptPointOptions ptOps = new PromptPointOptions("选择块的插入点");
         PromptPointResult ptRes;
         ptRes = ed.GetPoint(ptOps);
         Point3d ptInsert;
         if (ptRes.Status == PromptStatus.OK)
         {
            ptInsert = ptRes.Value ;
         }
         else
         {
            ptInsert = new Point3d(0, 0, 0);
         }
         Database db = HostApplicationServices.WorkingDatabase;
         // 使用 "using"关键字指定事务的边界
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            //获取块表和模型空间
            BlockTable bt = (BlockTable)(trans.GetObject(db.BlockTableId, OpenMode.ForWrite));
            BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);

            //创建块引用
            BlockReference blkRef = new BlockReference(ptInsert,CreateBlkDef());// 指定插入点和所引用的块表记录
            blkRef.Rotation = 1.57;//指定旋转角，按弧度
            //保存新创建的块引用到模型空间
            btr.AppendEntity(blkRef);
            trans.AddNewlyCreatedDBObject(blkRef, true); // 通知事务新创建了对象
            trans.Commit(); //提交事务
         }

      }
      //--------------------------------------------------------------
      // 功能:读取对象的属性
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("OpenEnt")]
      public void OpenEnt()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         PromptEntityOptions entOps = new PromptEntityOptions("选择要打开的对象");
         PromptEntityResult entRes;
         entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         ObjectId objId = entRes.ObjectId;
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            Entity ent = (Entity)trans.GetObject(objId, OpenMode.ForWrite);
            ent.ColorIndex = 1;
            trans.Commit();
         }
      }
}
}

Source_Liu · 发表于 2009-5-30 08:02:00

using System;
using System.Collections.Generic;
using System.Text;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Geometry;
namespace CH04
{
public class Class1
{
      //--------------------------------------------------------------
      // 功能:通过ObjectId打开对象
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("OpenEnt")]
      public void OpenEnt()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("通过ObjectId打开对象\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择要打开的对象\n");
         PromptEntityResult entRes;
         entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         ObjectId objId = entRes.ObjectId;
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            Entity ent = trans.GetObject(objId, OpenMode.ForWrite) as Entity ;
            ent.ColorIndex = 1;
            trans.Commit();
         }

      }
      //--------------------------------------------------------------
      // 功能:类型识别和转换
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("GetType")]
      public void GetType()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("数据库对象的类型识别和转换\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择要打开的对象");
         PromptEntityResult entRes;
         entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         ObjectId objId = entRes.ObjectId;
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            Entity ent = trans.GetObject(objId, OpenMode.ForWrite) as Entity;
            ed.WriteMessage("ent.GetRXClass().Name :" + ent.GetRXClass().Name + "\n");
            if (ent is Line)
            {
                  Line aLine = ent as Line;
                  aLine.ColorIndex = 1;
            }
            else if (ent.GetType() == typeof(Circle))
            {
                  Circle cir = (Circle)ent;
                  cir.ColorIndex = 2;
            }
            trans.Commit();
         }
      }
      //--------------------------------------------------------------
      // 功能:实体对象的属性
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("EntPro")]
      public void EntPro()
      {

         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("实体对象的属性\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择要打开的对象\n");
         PromptEntityResult entRes;
         entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出\n");
            return;
         }
         ObjectId objId = entRes.ObjectId;
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            Entity ent = trans.GetObject(objId, OpenMode.ForWrite) as Entity;
            ed.WriteMessage("获取或设置实体的线型\n");
            ed.WriteMessage("实体的原先的线型为 :" + ent.Linetype + "\n");
            // 获取线型表记录
            LinetypeTable lineTypeTbl = trans.GetObject(db.LinetypeTableId, OpenMode.ForRead) as LinetypeTable;
            // 确保DOT线型名已经加载到当前数据库
            LinetypeTableRecord lineTypeTblRec = trans.GetObject(lineTypeTbl["DOT"], OpenMode.ForRead) as LinetypeTableRecord;
            // 设置实体的线型
            ent.LinetypeId = lineTypeTblRec.ObjectId;
            // 设置实体的线型比例
            ed.WriteMessage("设置实体的线型比例为2.0\n");
            ent.LinetypeScale = 2.0;
            //设置实体的可见性
            ent.Visible = true;
               //设置实体所在的层
            ed.WriteMessage("实体的原先所在的层为 :" + ent.Layer + "\n");
            ent.Layer = "layer0";
            trans.Commit();
         }
      }
}
}

Source_Liu · 发表于 2009-5-30 08:03:00

using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using Autodesk.AutoCAD.EditorInput;
using Autodesk.AutoCAD.Runtime;
using Autodesk.AutoCAD.ApplicationServices;
using Autodesk.AutoCAD.DatabaseServices;
using Autodesk.AutoCAD.Geometry;
namespace CH05
{
public class Class1
{
      //--------------------------------------------------------------
      // 功能:添加扩展数据XDATA
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("AddXData")]
      public void AddXData()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("添加扩充数据XDATA\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择要打开的对象\n");
         PromptEntityResult entRes;
         entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         ObjectId objId = entRes.ObjectId;
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            Entity ent = trans.GetObject(objId, OpenMode.ForWrite) as Entity ;
            ent.ColorIndex = 1;
            RegAppTable appTbl = trans.GetObject(db.RegAppTableId, OpenMode.ForWrite) as RegAppTable ;
            if (!appTbl.Has("MyAppName"))
            {
                  RegAppTableRecord appTblRcd = new RegAppTableRecord();
                  appTblRcd.Name = "MyAppName";
                  appTbl.Add(appTblRcd);
                  trans.AddNewlyCreatedDBObject(appTblRcd, true);
            }
            ResultBuffer resBuf = new ResultBuffer();//new TypedValue(1001, "MyAppName"), new TypedValue(1000, "开发部门"));
            resBuf.Add(new TypedValue(1001, "MyAppName"));//注册程序名称
            resBuf.Add(new TypedValue(1000 , " 张三"));//姓名
            resBuf.Add(new TypedValue(1000 , " 工程部"));//部门
            resBuf.Add(new TypedValue(1040, 2000.0));//薪水
            ent.XData =  resBuf;
            trans.Commit();
         }

      }
      //--------------------------------------------------------------
      // 功能:获取扩展数据XDATA
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //------------------------------------------------------------
      [CommandMethod("GETXDATA")]
      public void GETXDATA()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("获取扩充数据XDATA\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择带扩展数据的对象");
         PromptEntityResult entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         Database db = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Database;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            Entity ent = (Entity)trans.GetObject(entRes.ObjectId, OpenMode.ForRead);
            ResultBuffer resBuf = ent.XData;
            if (resBuf != null)
            {
                  //
                  IEnumerator iter = resBuf.GetEnumerator();
                  while (iter.MoveNext())
                  {
                     TypedValue tmpVal = (TypedValue)iter.Current;
                     ed.WriteMessage(tmpVal.TypeCode.ToString() + ":");
                     ed.WriteMessage(tmpVal.Value.ToString() + "\n");
                  }
            }
         }
      }
      //--------------------------------------------------------------
      // 功能:在命名对象词典中添加数据
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //------------------------------------------------------------
      [CommandMethod("AddInNOD")]
      public void AddInNOD()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("在命名对象词典中添加数据\n");
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            //获取命名对象词典（NOD)
            DBDictionary NOD =trans.GetObject(db.NamedObjectsDictionaryId, OpenMode.ForWrite) as DBDictionary ;
            // 声明一个新的词典
            DBDictionary copyrightDict;
            // 判断是否存在COPYRIGHT词典，没有则创建
            try
            {
                  // 获取COPYRIGHT词典
                  copyrightDict = (DBDictionary)trans.GetObject(NOD.GetAt("COPYRIGHT"), OpenMode.ForRead);
            }
            catch
            {
                  //在NOD下创建COPYRIGHT词典
                  copyrightDict = new DBDictionary();
                  NOD.SetAt("COPYRIGHT", copyrightDict);
                  trans.AddNewlyCreatedDBObject(copyrightDict, true);
            }
            // 在copyrightDict中，获取或创建 "author" 词典
            DBDictionary authorDict;
            try
            {
                  authorDict = (DBDictionary)trans.GetObject(copyrightDict.GetAt("Author"), OpenMode.ForWrite);
            }
            catch
            {
                  authorDict = new DBDictionary();
                  //"author" doesn't exist, create one
                  copyrightDict.UpgradeOpen();
                  copyrightDict.SetAt("Author", authorDict);
                  trans.AddNewlyCreatedDBObject(authorDict, true);
            }
            // 通过Xrecord和ResultBuffer添加扩展数据
            Xrecord authorRec;
            try
            {
                  authorRec = (Xrecord)trans.GetObject(authorDict.GetAt("AuthorInfo"), OpenMode.ForWrite);
            }
            catch
            {
                  authorRec = new Xrecord();
                  authorRec.Data = new ResultBuffer(new TypedValue((int)DxfCode.Text, "张三"));
                  authorDict.SetAt("AuthorInfo", authorRec);
                  trans.AddNewlyCreatedDBObject(authorRec, true);
            }
            trans.Commit();
         }
      }
      //--------------------------------------------------------------
      // 功能:获取命名对象词典中的数据
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //------------------------------------------------------------
      [CommandMethod("GetInNOD")]
      public void GetInNod()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("获取命名对象词典中数据\n");
         Database db = HostApplicationServices.WorkingDatabase;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            // 获取NOD
            DBDictionary NOD = (DBDictionary)trans.GetObject(db.NamedObjectsDictionaryId, OpenMode.ForRead, false);
            // 获取COPYRIGHT词典
            DBDictionary copyrightDict = (DBDictionary)trans.GetObject(NOD.GetAt("COPYRIGHT"), OpenMode.ForRead);
            // 获取Author词典
            DBDictionary AuthorDict = (DBDictionary)trans.GetObject(copyrightDict.GetAt("Author"), OpenMode.ForRead);
            // 获取AuthorInfo扩展记录Xrecord
            Xrecord authorXRec = (Xrecord)trans.GetObject(AuthorDict.GetAt("AuthorInfo"), OpenMode.ForRead);
            ResultBuffer resBuf = authorXRec.Data;
            TypedValue val = resBuf.AsArray()[0];
            ed.WriteMessage("该图纸由{0}设计\n", val.Value);
         }
      }
      //--------------------------------------------------------------
      // 功能:添加数据到数据库对象的扩展词典中
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //------------------------------------------------------------
      [CommandMethod("AddExtDict")]
      public void AddExtDict()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("创建对象扩展词典\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择要添加扩展数据的块\n");
         PromptEntityResult entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         Database db = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Database;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            DBObject obj = trans.GetObject(entRes.ObjectId, OpenMode.ForWrite) as DBObject;
            BlockReference blkRef;
            if (obj is BlockReference)
            {
                  blkRef = obj as BlockReference;
            }
            else
            {
                  return;
            }
            // 创建对象的扩展词典
            blkRef.CreateExtensionDictionary();
            DBDictionary extensionDict = (DBDictionary)trans.GetObject(blkRef.ExtensionDictionary, OpenMode.ForWrite, false);

            // 通过Xrecord准备附加属性数据
            Xrecord xRec = new Xrecord();
            xRec.Data = new ResultBuffer(
               new TypedValue((int)DxfCode.Text, "张三"),// 姓名
               new TypedValue((int)DxfCode.Real, 1200.0),//薪水
               new TypedValue((int)DxfCode.Text, "技术部"));// 部门
            // 在扩展词典中添加扩展记录
            extensionDict.SetAt("EmployeeInfomation", xRec);
            trans.AddNewlyCreatedDBObject(xRec, true);
            trans.Commit();
         }
      }
      //--------------------------------------------------------------
      // 功能:获取数据库对象的扩展词典中的数据
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //------------------------------------------------------------
      [CommandMethod("GetExtDict")]
      public void GetExtDict()
      {
         Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
         ed.WriteMessage("获取对象扩展词典信息\n");
         PromptEntityOptions entOps = new PromptEntityOptions("选择添加了扩展数据的块\n");
         PromptEntityResult entRes = ed.GetEntity(entOps);
         if (entRes.Status != PromptStatus.OK)
         {
            ed.WriteMessage("选择对象失败，退出");
            return;
         }
         Database db = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Database;
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            DBObject obj = trans.GetObject(entRes.ObjectId, OpenMode.ForWrite) as DBObject;
            BlockReference blkRef;
            if (obj is BlockReference)
            {
                  blkRef = obj as BlockReference;
            }
            else
            {
                  ed.WriteMessage("选择对象不是块，退出\n");
                  return;
            }
            // 创建对象的扩展词典
            DBDictionary extensionDict = (DBDictionary)trans.GetObject(blkRef.ExtensionDictionary, OpenMode.ForWrite, false);
            // 获取AuthorInfo扩展记录Xrecord
            Xrecord EmpXRec = (Xrecord)trans.GetObject(extensionDict.GetAt("EmployeeInfomation"), OpenMode.ForRead);
            ResultBuffer resBuf = EmpXRec.Data;
            TypedValue val = resBuf.AsArray()[0];
            ed.WriteMessage("是员工姓名:{0}\n", val.Value);
            val = resBuf.AsArray()[1];
            ed.WriteMessage("该员工的薪水:{0}\n", val.Value);
            val = resBuf.AsArray()[2];
            ed.WriteMessage("该员工属于:{0}\n", val.Value);

            trans.Commit();
         }
      }
}
}

liminnet · 发表于 2009-6-3 21:58:00

唉，。。。。怎么这样多英文啊，，比LSP难多啦

liminnet · 发表于 2009-6-3 22:02:00

//--------------------------------------------------------------
      // 功能:创建一个圆
      // 作者：
      // 日期：2007-7-20
      // 说明：
      //
      //----------------------------------------------------------------
      [CommandMethod("CreateCircle")]
      public void  CreateCircle()
      {
         Database db = HostApplicationServices.WorkingDatabase;
         // 使用 "using" ，结束是自动调用事务的 "Dispose"
         using (Transaction trans = db.TransactionManager.StartTransaction())
         {
            //获取块表和模型空间
            BlockTable bt = (BlockTable)(trans.GetObject(db.BlockTableId, OpenMode.ForRead));
            BlockTableRecord btr = (BlockTableRecord)trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);             //创建一个圆并添加到块表记录（模型空间）
            Point3d center = new Point3d(10, 10, 0);
            Circle circle = new Circle(center, Vector3d.ZAxis, 10.0);
            circle.ColorIndex = 1;
            btr.AppendEntity(circle);
            trans.AddNewlyCreatedDBObject(circle, true);
            trans.Commit();
         }
      }
新建一个层都这么多代码啊，还全是英文来的，唉还是VLISP办法快些，少些