Insert Block from a different DWG using .NET

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http://adndevblog.typepad.com/autocad/2012/05/insert-block-from-a-different-dwg-using-net-.htmlInsert Block from a different DWG using .NET By Virupaksha Aithal
Using the WblockCloneObjects() method, its possible to copy a particular block from a drawing in to the other drawing. The C# code snippet that shows how to use WblockCloneObjects to copy a specific block "test" from the drawing available at "C:\TEMP\test.dwg".
"C:\TEMP\test.dwg".


[CommandMethod("InsertBlock")]
static public void InsertBlock() // This method can have any name
{
    Document doc = Application.DocumentManager.MdiActiveDocument;
    using(Database OpenDb = new Database(false, true))
    {
        OpenDb.ReadDwgFile("c:\\temp\\test.dwg",
            System.IO.FileShare.ReadWrite, true, "");
        ObjectIdCollection ids = new ObjectIdCollection();
        using (Transaction tr =
                OpenDb.TransactionManager.StartTransaction())
        {
             //For example, Get the block by name "TEST"
             BlockTable bt;
             bt = (BlockTable)tr.GetObject(OpenDb.BlockTableId
                                            , OpenMode.ForRead);
             if (bt.Has("TEST"))
             {
                 ids.Add(bt["TEST"]);
             }
             tr.Commit();
        }
        //if found, add the block
        if (ids.Count != 0)
       {
            //get the current drawing database
            Database destdb = doc.Database;
            IdMapping iMap = new IdMapping();
            destdb.WblockCloneObjects(ids, destdb.BlockTableId
                   ,iMap,DuplicateRecordCloning.Ignore, false);
        }
    }
}