【系统操作篇】更改屏幕分辨率 - CSkin博客

[C#] 纯文本查看 复制代码

[DllImport("user32.dll", CharSet = CharSet.Auto)]

static extern int ChangeDisplaySettings([In] ref DEVMODE lpDevMode, int dwFlags);



public enum DMDO

{

    DEFAULT = 0,

    D90 = 1,

    D180 = 2,

    D270 = 3

}



[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]

struct DEVMODE

{

    public const int DM_DISPLAYFREQUENCY = 0x400000;

    public const int DM_PELSWIDTH = 0x80000;

    public const int DM_PELSHEIGHT = 0x100000;

    public const int DM_BITSPERPEL = 262144;

    private const int CCHDEVICENAME = 32;

    private const int CCHFORMNAME = 32;

    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCHDEVICENAME)]

    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 DMDO dmDisplayOrientation;

    public int dmDisplayFixedOutput;

    public short dmColor;

    public short dmDuplex;

    public short dmYResolution;

    public short dmTTOption;

    public short dmCollate;

    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCHFORMNAME)]

    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;

}

[C#] 纯文本查看 复制代码

long RetVal = 0;

DEVMODE dm = new DEVMODE();

dm.dmSize = (short)Marshal.SizeOf(typeof(DEVMODE));

dm.dmPelsWidth = 1024;//宽

dm.dmPelsHeight = 768;//高

dm.dmDisplayFrequency = 60;//刷新率

dm.dmFields = DEVMODE.DM_PELSWIDTH | DEVMODE.DM_PELSHEIGHT | DEVMODE.DM_DISPLAYFREQUENCY | DEVMODE.DM_BITSPERPEL;

RetVal = ChangeDisplaySettings(ref dm, 0);