可以快捷打开开始菜单，还可以通过参数运行实现不同的功能。
openstartmenu.exe -> open start menu at standard location
openstartmenu.exe /? -> show this help
openstartmenu.exe /mouse -> open start menu at mouse location
openstartmenu.exe /mouse +20 -80 -> mouse location +20 horizontal -80 vertical (for example)
openstartmenu.exe /screen 100 50 -> location in the screen at 100,50
openstartmenu.exe /hidetaskbar -> Hide the taskbar
openstartmenu.exe /showtaskbar -> Show the taskbar and open the start menu
openstartmenu.exe /showtaskbar /nostartmenu -> Show the taskbar without openning the start menu
