如何唤醒电源选项关闭的显示器?
程序关闭/打开显示器可以这样:
Public Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Integer, ByVal wMsg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As Integer
Public Const WM_SYSCOMMAND = &H112
Public Const SC_MONITORPOWER = &HF170
'关闭显示器
SendMessage(Me.Handle.ToInt32(), WM_SYSCOMMAND, SC_MONITORPOWER, 1)
'打开显示器
'SendMessage(Me.Handle.ToInt32(), WM_SYSCOMMAND, SC_MONITORPOWER, -1)
但是这种方法只能打开前面一句关闭的显示器,而并不能唤醒计算机的电源选项中控制关闭的显示器,我试验过
请问如何能打开电源选项中控制关闭的显示器?