ÉùÃ÷:
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Const WM_SYSCOMMAND = &H112&
Const SC_SCREENSAVE = &HF140&
´úÂë:
Dim result As Long
result = SendMessage(FORM1.hwnd, WM_SYSCOMMAND, SC_SCREENSAVE, 0&)