How to get all resolutions?

[MaxtrHasan]

How to get all resolutions using c# code?

[lingme]

`
class Program
{
[DllImport("user32.dll")]
public static extern bool EnumDisplaySettings(
string deviceName, int modeNum, ref DEVMODE devMode);
const int ENUM_CURRENT_SETTINGS = -1;

    const int ENUM_REGISTRY_SETTINGS = -2;

    [StructLayout(LayoutKind.Sequential)]
    public struct DEVMODE
    {

        private const int CCHDEVICENAME = 0x20;
        private const int CCHFORMNAME = 0x20;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
        public string dmDeviceName;
        public short dmSpecVersion;
        public short dmDriverVersion;
        public short dmSize;
        public short dmDriverExtra;
        public int dmFields;
        public int dmPositionX;
        public int dmPositionY;
        public ScreenOrientation dmDisplayOrientation;
        public int dmDisplayFixedOutput;
        public short dmColor;
        public short dmDuplex;
        public short dmYResolution;
        public short dmTTOption;
        public short dmCollate;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
        public string dmFormName;
        public short dmLogPixels;
        public int dmBitsPerPel;
        public int dmPelsWidth;
        public int dmPelsHeight;
        public int dmDisplayFlags;
        public int dmDisplayFrequency;
        public int dmICMMethod;
        public int dmICMIntent;
        public int dmMediaType;
        public int dmDitherType;
        public int dmReserved1;
        public int dmReserved2;
        public int dmPanningWidth;
        public int dmPanningHeight;

    }

    static void Main(string[] args)
    {            
            DEVMODE vDevMode = new DEVMODE();
            int i = 0;
            while (EnumDisplaySettings(null, i, ref vDevMode))
            {
                Console.WriteLine("Width:{0} Height:{1} Color:{2} Frequency:{3}",
                                        vDevMode.dmPelsWidth,
                                        vDevMode.dmPelsHeight,
                                        1 << vDevMode.dmBitsPerPel,         vDevMode.dmDisplayFrequency
                                    );
            i++;
            }
    }

}

`