Delphi带背景的工具栏。本程序是让工具栏，不再那么单调。而是让其有背景图片，并按下与图片相应的按钮执行动作。-Delphi with the background of the toolbar. This procedure is to allow the toolbar, not so monotonous. But that have had a background image, and press the corresponding button with the picture executive action.