// Declare a BarTender application variable 
                
                BarTender.Application btApp; 
                
                // Create a new instance of BarTender 
                
                btApp = new BarTender.Application();
                
                // Set the BarTender application visible
                
                btApp.Visible = true;
                
                // Display the hWnd of BarTender's parent window
                
                MessageBox.Show(btApp.ParentWindow.ToString());
                
                // End the BarTender process 
                
                btApp.Quit(BarTender.BtSaveOptions.btDoNotSaveChanges);