请教一个注销系统的API程序。
Private Declare Function ExitWindowsEx Lib "user32" (ByVal uFlags As Long, ByVal dwReserved As Long) As LongPrivate Sub Form_Load()
Const LOGOFF = 0
sh = ExitWindowsEx(LOGOFF, dwReserved)
End Sub
以上是一个可正常注销系统的API
请教一个,代码中红色部分是什么意思啊???????