[CommandMethod("InsertBlock")]//插入外面的块文件

public voidInsertBlock()

{

Editor ed=Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;

Document doc=Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;

PromptPointResult ppr= ed.GetPoint("选择插入点");

Point3d pt= ppr.Value;//获取到插入点//utility.WriteToEditor(pt.ToString());

string blockPath = @"C:\Users\Administrator\Desktop\变压器.dwg";using (Database blkDb = new Database(false, true))

{//read drawing

blkDb.ReadDwgFile(blockPath, System.IO.FileShare.Read,true, null);

blkDb.CloseInput(true);using (DocumentLock docLock = doc.LockDocument())//多文档要先这样，否则报至命错误

{//新建图层id

ObjectId layerId =ObjectId.Null;using (Transaction t =doc.TransactionManager.StartTransaction())

{string name = "变压器";//aa是不与blockPath文件中的任何块重名的字符串//insert it as a new block

ObjectId idBTR= doc.Database.Insert(name, blkDb, false);//create a ref to the block

BlockTable bt=(BlockTable)t.GetObject(doc.Database.BlockTableId, OpenMode.ForRead);

BlockTableRecord btr=(BlockTableRecord)t.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite);//新建图层

LayerTable lt =(LayerTable)t.GetObject(doc.Database.LayerTableId, OpenMode.ForWrite);if (!lt.Has("图层4"))

{

LayerTableRecord ltr= newLayerTableRecord();

ltr.Name= "图层4";

layerId=lt.Add(ltr);

t.AddNewlyCreatedDBObject(ltr,true);

}//t.Commit();

btr.LayoutId=layerId;using (BlockReference bref = new BlockReference(pt, idBTR)) //pt是一个Point3D坐标,这里是插入进当前dwg文件中

{

bref.LayerId=layerId;

btr.AppendEntity(bref);

t.AddNewlyCreatedDBObject(bref,true);

}

t.Commit();

}

}

}

}