C#代码调整屏幕分辨率

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace 解决分辨率
{
    public partial class Form1 : Form
    {
        //保存当前屏幕分辨率
        int i = Screen.PrimaryScreen.Bounds.Width;
int j = Screen.PrimaryScreen.Bounds.Height;
        public Form1()
        {
            InitializeComponent();
        }
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        public struct DEVMODE
        {
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string dmDeviceName;
            public short dmSpecVersion;
            public short dmDriverVersion;
            public short dmSize;
            public short dmDriverExtra;
            public int dmFields;
            public short dmOrientation;
            public short dmPaperSize;
            public short dmPaperLength;
            public short dmPaperWidth;
            public short dmScale;
            public short dmCopies;
            public short dmDefaultSource;
            public short dmPrintQuality;
            public short dmColor;
            public short dmDuplex;
            public short dmYResolution;
            public short dmTTOption;
            public short dmCollate;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
            public string dmFormName;
            public short dmLogPixels;
            public int dmBitsPerPel;
            public int dmPelsWidth;
            public int dmPelsHeight;
            public int dmDisplayFlags;
            public int dmDisplayFrequency;
        }
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        static extern int ChangeDisplaySettings([In] ref DEVMODE lpDevMode, int dwFlags);
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        static extern bool EnumDisplaySettings(string lpszDeviceName, Int32 iModeNum, ref DEVMODE lpDevMode);
        void ChangeRes()
        {

            DEVMODE DevM = new DEVMODE();
            DevM.dmSize = (short)Marshal.SizeOf(typeof(DEVMODE));
            bool mybool;
            mybool = EnumDisplaySettings(null, 0, ref DevM);
            DevM.dmPelsWidth = 1024;//宽
            DevM.dmPelsHeight = 768;//高
            DevM.dmDisplayFrequency = 60;//刷新频率
            DevM.dmBitsPerPel = 32;//颜色象素
            long result = ChangeDisplaySettings(ref DevM, 0);
        }
        void FuYuan()
        {
            DEVMODE DevM = new DEVMODE();
            DevM.dmSize = (short)Marshal.SizeOf(typeof(DEVMODE));
            bool mybool;
            mybool = EnumDisplaySettings(null, 0, ref DevM);
            DevM.dmPelsWidth = i;//恢复宽
            DevM.dmPelsHeight =j;//恢复高
            DevM.dmDisplayFrequency = 60;//刷新频率
            DevM.dmBitsPerPel = 32;//颜色象素
            long result = ChangeDisplaySettings(ref DevM, 0);
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            ChangeRes();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FuYuan();
            this.Close();
         
        }

为河口等地区用户提供了全套网页设计制作服务，及河口网站建设行业解决方案。主营业务为成都网站设计、成都网站制作、外贸网站建设、河口网站设计，以传统方式定制建设网站，并提供域名空间备案等一条龙服务，秉承以专业、用心的态度为用户提供真诚的服务。我们深信只要达到每一位用户的要求，就会得到认可，从而选择与我们长期合作。这样，我们也可以走得更远！

文章名称：C#代码调整屏幕分辨率
本文网址：http://cdxtjz.cn/article/jhocec.html