自绘菜单(替换法)这个自绘菜单既适用与弹出菜单也适用与下来菜单-Since the draw menu (substitution) This only applies to owner-draw menus and pop-up menu also applicable to and down the menu

第一步：将所有菜单项设置为MF_OWNERDRAW，即自绘模式 第二步：在WM_MEASUREITEM消息中设置菜单项的大小 第三步：在WM_DRAWITEM消息中进行菜单项的绘制-The code of owner draw menu for VC++ designer