屏幕分辨率设置代码,CSharp代码库,德仔网

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【CSharp】屏幕分辨率设置
作者:在会议中指出 / 发布于2013/2/1/ 597
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace ScrDPI
{
    public class ScrDPI
    {

        public enum SETSTATUS
        {
            /// <summary>
            /// The settings change was successful
            /// </summary>
            DISP_CHANGE_SUCCESSFUL  = 0,
            /// <summary>
            /// The computer must be restarted for
            /// the graphics mode to work.
            /// </summary>
            DISP_CHANGE_RESTART     = 1,
            /// <summary>
            /// The display driver failed the 
            /// specified graphics mode.
            /// </summary>
            DISP_CHANGE_FAILED      = -1,
            /// <summary>
            /// The graphics mode is not supported.
            /// </summary>
            DISP_CHANGE_BADMODE     = -2,
            /// <summary>
            /// Unable to write settings to 
            /// the registry.
            /// </summary>
            DISP_CHANGE_NOTUPDATED  = -3,
            /// <summary>
            /// An invalid set of flags was
            /// passed in.
            /// </summary>
            DISP_CHANGE_BADFLAGS    = -4,
            /// <summary>
            /// An invalid parameter was passed in.
            /// This can include an invalid flag or
            /// combination of flags.
            /// </summary>
            DISP_CHANGE_BADPARAM    = -5,
            /// <summary>
            /// The settings change was unsuccessful
            /// because the system is DualView capable.
            /// </summary>
            DISP_CHANGE_BADDUALVIEW = -6
        }

        [DllImport("ScrDPI.dll", CallingConvention = CallingConvention.Cdecl)]
        private extern static int SetDPI(UInt32 dwWidth, UInt32 dwHeight, UInt32 dwColor);
        /// <summary>
        /// [否决的]判断设置的结果
        /// </summary>
        /// <param name="i">SetDPI返回结果值</param>
        [DllImport("ScrDPI.dll", CallingConvention = CallingConvention.Cdecl)]
        public extern static void TellMeResult(int i);

        /// <summary>
        /// 设置屏幕分辨率
        /// </summary>
        /// <param name="dwWidth">宽</param>
        /// <param name="dwHeight">高</param>
        /// <param name="dwColor">颜色</param>
        /// <returns></returns>
        public static SETSTATUS SetScreenDPI(UInt32 dwWidth, UInt32 dwHeight, UInt32 dwColor)
        {
            return (SETSTATUS)SetDPI(dwWidth, dwHeight, dwColor);
        }


    }
}
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