void ctrlDef_OnExecute(NameValueMap Context)
        {
            var wpfWindow = new InvAddIn.MyWpfWindow();

            // Could be a good idea to set the owner for this window
            // especially if it was modeless as mentioned in this article:
            var helper = new WindowInteropHelper(wpfWindow);

            helper.Owner = new IntPtr(m_inventorApplication.MainFrameHWND);

            wpfWindow.ShowDialog();
        }
        void ctrlDef_OnExecute(NameValueMap Context)
        {
            var wpfWindow = new InvAddIn.MyWpfWindow();

              // Could be a good idea to set the owner for this window
              // especially if it was modeless as mentioned in this article:
              var helper = new WindowInteropHelper(wpfWindow);
              helper.Owner = new IntPtr(m_inventorApplication.MainFrameHWND);

              wpfWindow.ShowDialog();
        }