【共享】acad的net例子，初学者可以看一看
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：
//
//----------------------------------------------------------------
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：
//
//----------------------------------------------------------------
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：
//
//----------------------------------------------------------------
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：
//
//----------------------------------------------------------------
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;
filList = 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);
}
}
}
}
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：
//
//----------------------------------------------------------------
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：
//
//----------------------------------------------------------------
public voidCreateCircle()
{
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, 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：
//
//----------------------------------------------------------------
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, 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：
//
//----------------------------------------------------------------
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();
}
}
}
}
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：
//
//----------------------------------------------------------------
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：
//
//----------------------------------------------------------------
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：
//
//----------------------------------------------------------------
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();
}
}
}
}
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：
//
//----------------------------------------------------------------
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：
//
//------------------------------------------------------------
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：
//
//------------------------------------------------------------
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：
//
//------------------------------------------------------------
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();
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：
//
//------------------------------------------------------------
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：
//
//------------------------------------------------------------
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();
ed.WriteMessage("是员工姓名:{0}\n", val.Value);
val = resBuf.AsArray();
ed.WriteMessage("该员工的薪水:{0}\n", val.Value);
val = resBuf.AsArray();
ed.WriteMessage("该员工属于:{0}\n", val.Value);
trans.Commit();
}
}
}
}
唉，。。。。怎么这样多英文啊，，比LSP难多啦
//--------------------------------------------------------------
// 功能:创建一个圆
// 作者：
// 日期：2007-7-20
// 说明：
//
//----------------------------------------------------------------
public voidCreateCircle()
{
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, 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
谢谢，正想学习一下 不错，对入门及了解cad与.net的相互关系很有用。 很好 论坛需要你这样的同志再来点吧
唉，现在要把话返过来啦，还是C#好的，代码符合语言书写规律，一目了然，不难学
页:
[1]