Delphi在系统默认的窗口菜单中添加自定义菜单项，在窗体标题栏的右键菜单中添加自定义菜单，这个源码功能主要是演示这一功能如何实现，超简单，面向Delphi的基础学者。-Delphi add custom menu item in the window menu by default system, add a custom menu in the window title bar and right-click menu, the source function is mainly to show the function realization, super simple, basic scholar oriented Delphi.