I have a SolidWorks Add In that puts a .NET User Control on a SolidWorks Task Pane View. It has worked fine, but now w/ SolidWorks 2013, when I call GetControl, it has what look to be valid COM object, but will not cast back to MyControl type so that I can implement (call methods set properties etc.) This as worked fine and still does in SolidWorks 2009-2012. Sample is below - When GetControl is called, I get an Exception that says the COM cannot be cast back MyControl. I am using Visual Studio 2010, and .NET framework 4. Any ideas? Is this a SolidWorks 2013 issue? Thanks in advance. Scott Cleveland

Sample Code:

TaskpaneView   m_objTaskPaneView = (TaskpaneView)m_objiSwApp.CreateTaskpaneView2(m_strAddInPath + "\\MyPicture.bmp", "My Task Pane");

m_objTaskPaneView.AddControl("CustomTaskPaneControl.MyControl", "");

MyControl m_objTaskPaneControl = (MyControl)m_objTaskPaneView.GetControl();