public static extern int ChangeDisplaySettings(ref DEVMODE1 devMode, int flags);
public static extern int EnumDisplaySettings(string deviceName, int modeNum, ref DEVMODE1 devMode);
void ChangeScreenResoltion(int width, int height)
{
DEVMODE1 dm = new DEVMODE1();
dm.dmDeviceName = new String(new char[32]);
dm.dmFormName = new String(new char[32]);
dm.dmSize = (short)System.Runtime.InteropServices.Marshal.SizeOf(dm);
if (Win32.EnumDisplaySettings(null, Win32.ENUM_CURRENT_SETTINGS, ref dm) != 0)
{
dm.dmPelsWidth = width;
dm.dmPelsHeight = height;
int result = Win32.ChangeDisplaySettings(ref dm, Win32.CDS_TEST);
if (result != Win32.DISP_CHANGE_FAILED)
{
Win32.ChangeDisplaySettings(ref dm, Win32.CDS_UPDATEREGISTRY);
}
}
}
