从其它文档插入块

//SrcPath  源文件

String shortName = System.IO.Path.GetFileName(SrcPath);

Database srcdb = new Database(false, true);

srcdb.ReadDwgFile(SrcPath, FileShare.Read, false, "");
srcdb.CloseInput(true);

//Document doc   要插入的文档，

// Database srcdb 数据源

public bool InsertAllBlock(Document doc, Database srcdb)
{
using (DocumentLock doclock = doc.LockDocument())
{
using (Transaction Trans = doc.TransactionManager.StartTransaction()) // 开始事务
{
BlockTable acBlkTbl = Trans.GetObject(doc.Database.BlockTableId, OpenMode.ForRead) as BlockTable;
ObjectId tmpid = doc.Database.Insert(System.Guid.NewGuid().ToString(), srcdb, true);
BlockTableRecord btr = tmpid.GetObject(OpenMode.ForWrite) as BlockTableRecord;
btr.Erase();
Trans.Commit();
return true;
}

}
}