public static string DevmodeToString(Devmode devMode)
{
return(devMode.DMPelsWidth +
" x " + devMode.DMPelsHeight +
", " + devMode.DMBitsPerPel +
" bits, " +
devMode.DMDisplayFrequency + " Hz");
}
public static Devmode GetDevmode(int devNum, int modeNum)
{
var devMode = new Devmode();
var devName = GetDeviceName(devNum);
NativeMethods.EnumDisplaySettings(devName, modeNum, ref devMode);
return(devMode);
}
public static void ChangeResolutionMode(int devNum, Devmode mode)
{
if (mode.DMBitsPerPel != 0 && mode.DMPelsWidth != 0 && mode.DMPelsHeight != 0)
{
var result = NativeMethods.ChangeDisplaySettingsEx(GetDeviceName(devNum), ref mode, IntPtr.Zero, 0, IntPtr.Zero);
if (result > 0)
{
return;
}
}
}
public static Devmode[] EnumModes(int devNum)
{
var modes = new ArrayList();
var devName = GetDeviceName(devNum);
var devMode = new Devmode();
var modeNum = 0;
bool result;
do
{
result = NativeMethods.EnumDisplaySettings(devName, modeNum, ref devMode);
if (result)
{
modes.Add(devMode);
}
modeNum++;
} while (result);
return((Devmode[])modes.ToArray(typeof(Devmode)));
}
public static extern int ChangeDisplaySettingsEx(
string devName, ref Devmode devMode, IntPtr hwnd, int dwFlags, IntPtr lParam);
public static extern bool EnumDisplaySettings(
string devName, int modeNum, ref Devmode devMode);
public ScreenRes(Devmode mode)
{
Mode = mode;
}