李可丽

摘要： 本文来自：www.kttec.net BroadcastSystemMessageVB声明Declare Function BroadcastSystemMessage Lib "user32" Alias "BroadcastSystemMessage" (ByVal dw As Long, pdw As Long, ByVal un As Long, ByVal wParam As Long, ByVal lParam As Long) As Long说明将一条系统消息广播给系统中所有的顶级窗口返回值Long，大于零表示成功；-1表示出错。如设置了B 阅读全文