遍历屏幕设置的选项

using System.Runtime.InteropServices;

[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;

}

[DllImport("user32.dll")]

public static extern bool EnumDisplaySettings(string lpszDeviceName,

int iModeNum, ref DEVMODE lpDevMode);

private void button1_Click(object sender, EventArgs e)

{

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++;

}

}