// 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 whether or not BarTender is processing command lines
                
                if (btApp.IsProcessingCommandLines == true)
                {
                 MessageBox.Show("BarTender is processing command lines");
                }
                else
                
                {
                MessageBox.Show("BarTender is not processing command lines");
                }
                
                // End the BarTender process 
                
                btApp.Quit(BarTender.BtSaveOptions.btDoNotSaveChanges);