public static void SetDisplayMode(DisplayMode displayMode)
{
DevMode devMode = new DevMode();
devMode.dmSize = (short)Marshal.SizeOf(devMode);
devMode.dmBitsPerPel = displayMode.BitsPerPixels;
devMode.dmPelsWidth = displayMode.Width;
devMode.dmPelsHeight = displayMode.Height;
devMode.dmDisplayFrequency = displayMode.Frequency;
devMode.dmFields = DM.BitsPerPixel | DM.DisplayFrequency | DM.PelsHeight | DM.PelsWidth;
DisplayChange result = User32.ChangeDisplaySettings(ref devMode, ChangeDisplaySettingsFlags.FullScreen);
}
/// <summary>
/// Changes the display frequency of the built-in display.
/// </summary>
/// <param name="newFreq"></param>
/// <returns></returns>
public bool SetIntegratedDisplayFrequency(uint newFreq)
{
string devName = this.GetIntegratedDisplayName();
if (devName == null)
{
return(false);
}
DEVMODE current = default;
current.dmSize = (ushort)Marshal.SizeOf <DEVMODE>();
if (!User32.EnumDisplaySettings(devName, User32.ENUM_CURRENT_SETTINGS, ref current))
{
return(false);
}
current.dmDisplayFrequency = newFreq;
User32.ChangeDisplaySettings(ref current, 0);
return(true);
}
public static void ResetDisplayMode()
{
DisplayChange result = User32.ChangeDisplaySettings(IntPtr.Zero, ChangeDisplaySettingsFlags.None);
}
