/// <summary>
/// 创建一个调整屏幕亮度的对象
/// </summary>
/// <returns>如果返回空，则代表此屏幕不支持</returns>
public static IAdjustScreen?CreateAdjustScreen(Window window)
{
if (window == null)
{
throw new ArgumentNullException(nameof(window));
}
//第一次尝试使用Dxva2方式
AdjustScreenByDxva2 adjustScreenByDxva2 = new AdjustScreenByDxva2();
var handle = new WindowInteropHelper(window).Handle;
short min = 0;
short current = 0;
short max = 0;
var adjustScreenByDxva2Value = adjustScreenByDxva2.GetBrightness(handle, ref min, ref current, ref max);
if (adjustScreenByDxva2Value)
{
return(adjustScreenByDxva2);
}
//如果不满足，则尝试使用Gdi32方式
else
{
log.Info("Current Screen does not support Dxva2, try gdi32..");
var adjustScreenByGdi32 = new AdjustScreenByGdi32();
var adjustScreenByGdi32Value = adjustScreenByGdi32.GetBrightness(handle, ref min, ref current, ref max);
if (adjustScreenByGdi32Value)
{
return(adjustScreenByGdi32);
}
}
return(null);
}
/// <summary>
/// 创建一个调整屏幕亮度的对象
/// </summary>
/// <returns>如果返回空，则代表此屏幕不支持</returns>
public static IAdjustScreen?CreateAdjustScreen(IntPtr handle)
{
short min = 0;
short current = 0;
short max = 0;
var adjustScreenByGdi32 = new AdjustScreenByGdi32();
var adjustScreenByGdi32Value = adjustScreenByGdi32.GetBrightness(handle, ref min, ref current, ref max);
if (adjustScreenByGdi32Value)
{
return(adjustScreenByGdi32);
}
return(null);
}
