Select the Window part to add a control that has a frame border. You can use the Window part for arranging the other visual parts you want to include in your view. You can add features such as scroll bars and menu bars to the Window part.

When you open the Composition Editor for a visual part, a Window part is displayed by default. By default it is the primary part for the composite part you are building.

To display the pop-up menu for the part, click with mouse button 2 on the part.

To further define the appearance and function of a part, double-click on it to open the properties window.