/// ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Title: SET BRIGHTNESS
/// Description: this function gets the list of handles to all monitors and sets their brightness to the value NewBrightness.
/// </summary>
///
/// <param name="sender"></param>
/// <param name="e"></param>
///
private void SetBrightness(object sender, EventArgs e)
{
if (NewBrightness != CurrentBrightness)
{
try
{
physicalMonitors = DisplayConfiguration.GetPhysicalMonitors(DisplayConfiguration.GetCurrentMonitor());
foreach (DisplayConfiguration.PHYSICAL_MONITOR physicalMonitor in physicalMonitors)
{
try
{
DisplayConfiguration.SetMonitorBrightness(physicalMonitor, NewBrightness);
DisplayConfiguration.SetMonitorContrast(physicalMonitor, NewBrightness);
CurrentBrightness = NewBrightness;
}
catch
{
System.Diagnostics.Debug.WriteLine("ERROR: cannot set brightness!");
labelStatus.Text = "could not set brightness!";
}
}
}
catch
{
System.Diagnostics.Debug.WriteLine("ERROR: cannot find monitors!");
labelStatus.Text = "could not find monitors!";
}
}
UpdateObjects(sender, e);
}
private void StartBenchmarkButton_Click(object sender, RoutedEventArgs e)
{
DisplayConfiguration.PHYSICAL_MONITOR Handle = DisplayConfiguration.GetPhysicalMonitors(DisplayConfiguration.GetCurrentMonitor())[0];
var GetBrightnessWatch = System.Diagnostics.Stopwatch.StartNew();
double Brightness = DisplayConfiguration.GetMonitorBrightness(Handle);
GetBrightnessWatch.Stop();
var SetBrightnessWatchExtrems = System.Diagnostics.Stopwatch.StartNew();
DisplayConfiguration.MonitorExtremums MonExtems = DisplayConfiguration.GetMonitorExtremums(Handle);
uint dwMinimumBrightness = MonExtems.Min;
uint dwMaximumBrightness = MonExtems.Max;
DisplayConfiguration.SetMonitorBrightness(Handle, 1, dwMinimumBrightness, dwMaximumBrightness);
SetBrightnessWatchExtrems.Stop();
var SetBrightnessWatch = System.Diagnostics.Stopwatch.StartNew();
DisplayConfiguration.SetMonitorBrightness(Handle, Brightness, dwMinimumBrightness, dwMaximumBrightness);
SetBrightnessWatch.Stop();
MessageBox.Show($"GetBrightness: {GetBrightnessWatch.ElapsedMilliseconds} ms.\n" +
$"SetBrightnessExtrems: {SetBrightnessWatchExtrems.ElapsedMilliseconds} ms.\n" +
$"SetBrightness: {SetBrightnessWatch.ElapsedMilliseconds} ms.\n\n" +
$"Total: {GetBrightnessWatch.ElapsedMilliseconds + SetBrightnessWatchExtrems.ElapsedMilliseconds + SetBrightnessWatch.ElapsedMilliseconds} ms.", "Benchmark Results");
}