按动鼠标器右键弹出下拉菜单的操作，在VB执行环境下，有一些控件本身具有弹下拉菜单的功能，如TexTbox控件等，但大多数编辑类控件以及窗体本身却没有此功能，要在窗口中任意位置实现PopUpMenu（弹出式菜单），可借助VB的菜单工具来实现。-Pressing the right mouse pop-up operation of the drop-down menu in the VB implementation of the environment, there are some drop-down menu control itself has elastic features, such as TexTbox control, etc., but most of the editing class, and the form itself does not control this function, to anywhere in the window to achieve PopUpMenu (pop-up menu), can make use of VB' s menu tools to achieve.