C中改变显示器的分辨率.doc

C#中改变显示器的分辨率 下面的代码实现修改显示器分辨率和刷新频率的功能： using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Runtime.InteropServices; namespace ScreenResolution { public class Form1 : System.Windows.Forms.Form { 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; 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; } [DllImport(user32.dll, CharSet=CharSet.Auto)] //static extern int ChangeDisplaySettings( DEVMODE lpDevMode, int dwFlags); static extern int ChangeD