修改分辨率代码,CSharp代码库,德仔网

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【CSharp】修改分辨率

作者:dezai / 发布于2014/2/9/ 303

修改分辨率【不重启的前提下】

usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;
usingSystem.Runtime.InteropServices;
namespace解决分辨率
{
publicpartialclassForm1:Form
{
//保存当前屏幕分辨率
inti=Screen.PrimaryScreen.Bounds.Width;
intj=Screen.PrimaryScreen.Bounds.Height;
publicForm1()
{
InitializeComponent();
}
[StructLayout(LayoutKind.Sequential,CharSet=CharSet.Auto)]
publicstructDEVMODE
{
[MarshalAs(UnmanagedType.ByValTStr,SizeConst=32)]
publicstringdmDeviceName;
publicshortdmSpecVersion;
publicshortdmDriverVersion;
publicshortdmSize;
publicshortdmDriverExtra;
publicintdmFields;
publicshortdmOrientation;
publicshortdmPaperSize;
publicshortdmPaperLength;
publicshortdmPaperWidth;
publicshortdmScale;
publicshortdmCopies;
publicshortdmDefaultSource;
publicshortdmPrintQuality;
publicshortdmColor;
publicshortdmDuplex;
publicshortdmYResolution;
publicshortdmTTOption;
publicshortdmCollate;
[MarshalAs(UnmanagedType.ByValTStr,SizeConst=32)]
publicstringdmFormName;
publicshortdmLogPixels;
publicintdmBitsPerPel;
publicintdmPelsWidth;
publicintdmPelsHeight;
publicintdmDisplayFlags;
publicintdmDisplayFrequency;
}
[DllImport("user32.dll",CharSet=CharSet.Auto)]
staticexternintChangeDisplaySettings([In]refDEVMODElpDevMode,intdwFlags);
[DllImport("user32.dll",CharSet=CharSet.Auto)]
staticexternboolEnumDisplaySettings(stringlpszDeviceName,Int32iModeNum,refDEVMODElpDevMode);
voidChangeRes()
{DEVMODEDevM=newDEVMODE();
DevM.dmSize=(short)Marshal.SizeOf(typeof(DEVMODE));
boolmybool;
mybool=EnumDisplaySettings(null,0,refDevM);
DevM.dmPelsWidth=1024;//宽
DevM.dmPelsHeight=768;//高
DevM.dmDisplayFrequency=60;//刷新频率
DevM.dmBitsPerPel=32;//颜色象素
longresult=ChangeDisplaySettings(refDevM,0);
}
voidFuYuan()
{
DEVMODEDevM=newDEVMODE();
DevM.dmSize=(short)Marshal.SizeOf(typeof(DEVMODE));
boolmybool;
mybool=EnumDisplaySettings(null,0,refDevM);
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
longresult=ChangeDisplaySettings(refDevM,0);
}
privatevoidForm1_Load(objectsender,EventArgse)
{
ChangeRes();
}privatevoidbutton1_Click(objectsender,EventArgse)
{
FuYuan();
this.Close();

}

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