public DEVMODE GetDevmodeFor(int devNum, int width, int height)
{
DEVMODE current = GetCurrentSettings(devNum);
string devName = GetDeviceName(devNum);
DEVMODE devMode = new DEVMODE();
int modeNum = 0;
bool result = true;
do
{
result = EnumDisplaySettings(devName,
modeNum, ref devMode);
if (result)
{
if (devMode.dmPelsWidth == width && devMode.dmPelsHeight == height && devMode.dmBitsPerPel == current.dmBitsPerPel)
{
return(devMode);
}
}
modeNum++;
} while (result);
return(current);
}
private static extern bool EnumDisplaySettings(
string devName, int modeNum, ref DEVMODE devMode);
public static extern int ChangeDisplaySettings(
ref DEVMODE devMode, int flags);
public FormState()
{
Settings = new DisplaySettings();
orginalMode = Settings.GetCurrentSettings(0);
}