private static bool TryGetCurrentMode(string deviceName, out DEVMODE devMode)
{
devMode = new DEVMODE {
dmSize = (ushort)Marshal.SizeOf(typeof(DEVMODE))
};
return(User32Ex.EnumDisplaySettings(deviceName, User32Ex.ENUM_CURRENT_SETTINGS, ref devMode));
}
public static bool ChangeResolution(string deviceName, Resolution newResolution)
{
Guard.Against.NullOrEmpty(deviceName, nameof(deviceName));
if (!TryGetCurrentMode(deviceName, out var devMode))
{
return(false);
}
devMode.dmPelsWidth = newResolution.Width;
devMode.dmPelsHeight = newResolution.Height;
var result = User32Ex.ChangeDisplaySettingsEx(deviceName, ref devMode, IntPtr.Zero, 0, IntPtr.Zero);
return(result == User32Ex.DISP_CHANGE_SUCCESSFUL);
}