copy Model Space to external DWG

' copy Model Space to external DWG

' by Fenton Webb, DevTech 14/9/2012

<CommandMethod("CoSpypaceToExtDWG")> _
Public Shared Sub CopySpaceToExtDWG()

    ' get the working database (in AutoCAD)

    Dim sourceDb As Database = Application.DocumentManager.MdiActiveDocument.Database

    Try

        ' create a new destination database

        Using destDb As New Database(True, True)

            ' get the model space object ids for both dbs

            Dim sourceMsId As ObjectId = SymbolUtilityServices.GetBlockModelSpaceId(sourceDb)

            Dim destDbMsId As ObjectId = SymbolUtilityServices.GetBlockModelSpaceId(destDb)

            ' now create an array of object ids to hold the source objects to copy

            Dim sourceIds As New ObjectIdCollection()

            ' open the sourceDb ModelSpace (current autocad dwg)

            Using ms As BlockTableRecord = TryCast(sourceMsId.Open(OpenMode.ForRead), BlockTableRecord)

                ' loop all the entities and record their ids

                For Each id As ObjectId In ms

                    sourceIds.Add(id)
                Next
            End Using

            ' next prepare to deepclone the recorded ids to the destdb

            Dim mapping As New IdMapping()

            ' now clone the objects into the destdb

            sourceDb.WblockCloneObjects(sourceIds, destDbMsId, mapping, DuplicateRecordCloning.Replace, False)

            destDb.SaveAs("c:\temp\dwgs\CopyTest.dwg", DwgVersion.Current)

        End Using

    Catch eXP As System.Exception

        System.Windows.Forms.MessageBox.Show(eXP.ToString())
    End Try

End Sub