123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126 |
- # http://blogs.technet.com/b/heyscriptingguy/archive/2010/07/07/hey-scripting-guy-how-can-i-change-my-desktop-monitor-resolution-via-windows-powershell.aspx
- Function Set-ScreenResolution {
- param (
- [Parameter(Mandatory=$true,
- Position = 0)]
- [int]
- $Width,
- [Parameter(Mandatory=$true,
- Position = 1)]
- [int]
- $Height
- )
- $pinvokeCode = @"
- using System;
- using System.Runtime.InteropServices;
- namespace Resolution
- {
- [StructLayout(LayoutKind.Sequential)]
- public struct DEVMODE1
- {
- [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 short 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;
- };
- class User_32
- {
- [DllImport("user32.dll")]
- public static extern int EnumDisplaySettings(string deviceName, int modeNum, ref DEVMODE1 devMode);
- [DllImport("user32.dll")]
- public static extern int ChangeDisplaySettings(ref DEVMODE1 devMode, int flags);
- public const int ENUM_CURRENT_SETTINGS = -1;
- public const int CDS_UPDATEREGISTRY = 0x01;
- public const int CDS_TEST = 0x02;
- public const int DISP_CHANGE_SUCCESSFUL = 0;
- public const int DISP_CHANGE_RESTART = 1;
- public const int DISP_CHANGE_FAILED = -1;
- }
- public class PrmaryScreenResolution
- {
- static public string ChangeResolution(int width, int height)
- {
- DEVMODE1 dm = GetDevMode1();
- if (0 != User_32.EnumDisplaySettings(null, User_32.ENUM_CURRENT_SETTINGS, ref dm))
- {
- dm.dmPelsWidth = width;
- dm.dmPelsHeight = height;
- int iRet = User_32.ChangeDisplaySettings(ref dm, User_32.CDS_TEST);
- if (iRet == User_32.DISP_CHANGE_FAILED)
- {
- return "Unable To Process Your Request. Sorry For This Inconvenience.";
- }
- else
- {
- iRet = User_32.ChangeDisplaySettings(ref dm, User_32.CDS_UPDATEREGISTRY);
- switch (iRet)
- {
- case User_32.DISP_CHANGE_SUCCESSFUL:
- {
- return "Success";
- }
- case User_32.DISP_CHANGE_RESTART:
- {
- return "You Need To Reboot For The Change To Happen.\n If You Feel Any Problem After Rebooting Your Machine\nThen Try To Change Resolution In Safe Mode.";
- }
- default:
- {
- return "Failed To Change The Resolution";
- }
- }
- }
- }
- else
- {
- return "Failed To Change The Resolution.";
- }
- }
- private static DEVMODE1 GetDevMode1()
- {
- DEVMODE1 dm = new DEVMODE1();
- dm.dmDeviceName = new String(new char[32]);
- dm.dmFormName = new String(new char[32]);
- dm.dmSize = (short)Marshal.SizeOf(dm);
- return dm;
- }
- }
- }
- "@
- Add-Type $pinvokeCode -ErrorAction SilentlyContinue
- [Resolution.PrmaryScreenResolution]::ChangeResolution($width,$height)
- }
- Set-ScreenResolution 1920 1080
|