Delphi OnPopup事件应用实例，在窗体上，右键单击窗体，弹出快捷菜单，如上图所示，在列表上单击右键也可以出现菜单，一个简单但实用的OnPopup事件使用例子，如果你是Delphi初学者，你应该参考下哦。-Delphi OnPopup event application examples on the form, right-click the form, the pop-up shortcut menu, as shown in the list, right-click menu can also occur, a simple but practical examples of the use of OnPopup event, if you are Delphi beginner, you should refer to the oh.