图形复制问题

dpec1982 · 发表于 2015-7-9 08:37:00

各位大侠：
         环境（vs2010+CAD）
         目的：有一张DWG文件，用框选的形式把其中一部分图形框选（这部分图形中有文字、块参照、直线等各种图元文件）然后复制。在打开另外一张DWG文件，把这部分框选的图形，按指定坐标粘贴到这个新打开DWG文件中。我是初学者，请各位大侠帮忙，不要见笑。小妹再次先谢谢啦！！！
这段代码，是把一张DWG文件中的图元框选复制
static ObjectIdCollection acObjIdColl; //这个是全局静态变量
      [CommandMethod("copyRec")]
      public void copy()
      {
         Document doc = Application.DocumentManager.MdiActiveDocument;
         db = doc.Database;
         Editor ed = doc.Editor;
         //选择矩形区域，获取矩形的两个对角点
         PromptPointResult pPResult = ed.GetPoint("选择起点");
         ptStart = pPResult.Value;
         PromptPointResult pPResult2 = ed.GetCorner("\n选择对角点", ptStart);
         ptEnd = pPResult2.Value;
         //选择包含在框内部的所有实体
         acObjIdColl = InW(ptStart, ptEnd, doc);
      }
      public ObjectIdCollection InW(Point3d pt1, Point3d pt2, Document doc)
      {
         Database db = doc.Database;
         Editor ed = doc.Editor;
         Entity entity = null;
         ObjectIdCollection c = new ObjectIdCollection();
         PromptSelectionResult ents = ed.SelectWindow(pt1, pt2);
         if (ents.Status == PromptStatus.OK)
         {
            using (Transaction trans = db.TransactionManager.StartTransaction())
            {
                  SelectionSet ss = ents.Value;
                  foreach (ObjectId id in ss.GetObjectIds())
                  {
                     entity = trans.GetObject(id, OpenMode.ForWrite, true, true) as Entity;
                     if (entity != null)
                     { c.Add(entity.ObjectId); }
                  }
                  trans.Commit();
            }
         }
         return c;
      }
这段代码，我是想实现把这些框选好的图元文件粘贴到另外一张DWG文件中。但就是实现不了
      [CommandMethod("pasteRec")]
      public void pasteRec()
      {
         Document acNewDoc = Application.DocumentManager.MdiActiveDocument;
         PromptPointResult pPResult3 = acNewDoc.Editor.GetPoint("\n选择目标点");
         Point3d targetPt = pPResult3.Value;
         Database acDbNewDoc = acNewDoc.Database;
         using (DocumentLock acLckDoc = acNewDoc.LockDocument())
         {
            // 在新数据库中启动事务 Start a transaction in the new database
            using (Transaction acTrans = acDbNewDoc.TransactionManager.StartTransaction())
            {
                  BlockTable  acBlkTblNewDoc = acTrans.GetObject(acDbNewDoc.BlockTableId,OpenMode.ForRead) as BlockTable;
                  BlockTableRecord acBlkTblRecNewDoc = acTrans.GetObject(acBlkTblNewDoc[BlockTableRecord.ModelSpace],
                                                      OpenMode.ForRead) as BlockTableRecord;
                  // 复制对象到新的数据库中 Clone the objects to the new database
                  IdMapping acIdMap = new IdMapping();
                  db.WblockCloneObjects(acObjIdColl, acBlkTblRecNewDoc.ObjectId, acIdMap, DuplicateRecordCloning.Ignore, false);
                  //db.Wblock(acObjIdColl, targetPt); //其中这种写法也不对，都提示db是wrong
                  acTrans.Commit();
            }
         }
      }

ㄘ丶转裑ㄧ灬 · 发表于 2015-7-9 09:14:00

ctrl+shift+c 复制，ctrl+v 粘贴。。
建议你先把基础的教程之类的东西看完，再用它工作，磨刀不误砍柴工。。

dpec1982 · 发表于 2015-7-9 09:39:00

大侠，我是想问用程序怎么写

dpec1982 · 发表于 2015-7-9 14:52:00

各位大侠，给小妹一些建议呗，谢谢

雪山飞狐_lzh · 发表于 2015-7-9 17:52:00

一般复制目标用后台数据库就可以了打开的文档我没试过

dpec1982 · 发表于 2015-7-10 13:54:00

飞狐大侠：
         那框选的目标用后台数据库怎么写程序？？我这么写对吗
  [CommandMethod("copyRec")]
      public void copy()
      {
         Document doc = Application.DocumentManager.MdiActiveDocument;
         db = doc.Database;
         Editor ed = doc.Editor;
         //选择矩形区域，获取矩形的两个对角点
         PromptPointResult pPResult = ed.GetPoint("选择起点");
         ptStart = pPResult.Value;
         PromptPointResult pPResult2 = ed.GetCorner("\n选择对角点", ptStart);
         ptEnd = pPResult2.Value;
         //选择包含在框内部的所有实体
         acObjIdColl = InW(ptStart, ptEnd, doc);
      }
      public ObjectIdCollection InW(Point3d pt1, Point3d pt2, Document doc)
      {
         Database db = doc.Database;
         Editor ed = doc.Editor;
         Entity entity = null;
         ObjectIdCollection c = new ObjectIdCollection();
         PromptSelectionResult ents = ed.SelectWindow(pt1, pt2);
         if (ents.Status == PromptStatus.OK)
         {
            using (Transaction trans = db.TransactionManager.StartTransaction())
            {
                  SelectionSet ss = ents.Value;
                  foreach (ObjectId id in ss.GetObjectIds())
                  {
                     entity = trans.GetObject(id, OpenMode.ForWrite, true, true) as Entity;
                     if (entity != null)
                     { c.Add(entity.ObjectId); }
                  }
                  trans.Commit();
            }
         }
         return c;
      }

dpec1982 · 发表于 2015-7-10 14:58:00

飞狐大侠：
这是复制代码
public static void CopyObjectsBetweenDatabases()
      {
         //ObjectIdCollection acObjIdColl = new ObjectIdCollection();
         Document acDoc = Application.DocumentManager.MdiActiveDocument;
         acCurDb = acDoc.Database;
         using (DocumentLock acLckDocCur = acDoc.LockDocument())
         {
            using (Transaction acTrans = acCurDb.TransactionManager.StartTransaction())
            {
                  BlockTable acBlkTbl = acTrans.GetObject(acCurDb.BlockTableId, OpenMode.ForRead) as BlockTable;
                  BlockTableRecord acBlkTblRec = acTrans.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],OpenMode.ForWrite) as BlockTableRecord;
                  Circle acCirc1 = new Circle();
                  acCirc1.SetDatabaseDefaults();
                  acCirc1.Center = new Point3d(0, 0, 0);
                  acCirc1.Radius = 5;
                  acBlkTblRec.AppendEntity(acCirc1);
                  acTrans.AddNewlyCreatedDBObject(acCirc1, true);
                  Circle acCirc2 = new Circle();
                  acCirc2.SetDatabaseDefaults();
                  acCirc2.Center = new Point3d(0, 0, 0);
                  acCirc2.Radius = 7;
                  acBlkTblRec.AppendEntity(acCirc2);
                  acTrans.AddNewlyCreatedDBObject(acCirc2, true);
                  // 添加所有要复制的对象到新的文档中 Add all the objects to copy to the new document
                  acObjIdColl = new ObjectIdCollection();
                  acObjIdColl.Add(acCirc1.ObjectId);
                  acObjIdColl.Add(acCirc2.ObjectId);
                  // 保存新对象到数据库中
                  acTrans.Commit();
            }
         }
}
   这是所谓的粘贴代码
      public static void PasteObjectsBetweenDatabases()
      {
         string sLocalRoot = Application.GetSystemVariable("LOCALROOTPREFIX") as string;
         string sTemplatePath = sLocalRoot + "Template\\acad.dwt";
         DocumentCollection acDocMgr = Application.DocumentManager;
         //Document acNewDoc = acDocMgr.Add(sTemplatePath);//新添加的DWG就好使
         Document acNewDoc = ucMain.newDoc;//而打开原有的文档，就提示eInvalidObjectId问题，怎么回事啊，大侠
         Database acDbNewDoc = acNewDoc.Database;
         Application.ShowAlertDialog(acNewDoc.Name);
         // 锁定新文档 Lock the new document
         using (DocumentLock acLckDoc = acNewDoc.LockDocument())
         {
            using (Transaction acTrans = acDbNewDoc.TransactionManager.StartTransaction())
            {
                  BlockTable acBlkTblNewDoc = acTrans.GetObject(acDbNewDoc.BlockTableId, OpenMode.ForRead) as BlockTable;
                  BlockTableRecord acBlkTblRecNewDoc = acTrans.GetObject(acBlkTblNewDoc[BlockTableRecord.ModelSpace], OpenMode.ForRead) as BlockTableRecord;
                  // 复制对象到新的数据库中 Clone the objects to the new database
                  IdMapping acIdMap = new IdMapping();
                  acCurDb.WblockCloneObjects(acObjIdColl, acBlkTblRecNewDoc.ObjectId, acIdMap, DuplicateRecordCloning.Replace, true);
                  // 保存复制的对象到数据库中 Save the copied objects to the database
                  acTrans.Commit();
            }
         }
         acDocMgr.MdiActiveDocument = acNewDoc;
      }
我的功能是新建2个圆作为复制的原文件，然后粘贴到新打开的文档中，提示eInvalidObjectId错误，而添加新文档就没有错误，为什么