/// <summary>
/// Changes the power mode of the screen to the provided value.
/// </summary>
/// <param name="handle">The window handle of the application.</param>
/// <param name="mode">The mode to set.</param>
/// <param name="sendMessageCount">Sets how often the SEND command should be sent.</param>
private static void ChangeScreenPower(int handle, ScreenPowerMode mode, int sendMessageCount = 3)
{
if (handle < 0)
{
handle = HWND_BROADCAST;
}
for (int i = 0; i < sendMessageCount; i++)
{
SendMessage(handle, WM_SYSCOMMAND, SC_MONITORPOWER, (int)mode);
}
}
/// <summary>
/// Changes the power mode of the screen to the provided value.
/// </summary>
/// <param name="window">The window of the application.</param>
/// <param name="mode">The mode to set.</param>
/// <param name="sendMessageCount">Sets how often the SEND command should be sent.</param>
private static void ChangeScreenPower(Window window, ScreenPowerMode mode, int sendMessageCount = 3)
{
int handle = HWND_BROADCAST;
if (window != null)
{
var helper = new WindowInteropHelper(window);
handle = (int)helper.Handle;
}
ChangeScreenPower(handle, mode, sendMessageCount);
}
