gfx/wr/ci-scripts/set-screenresolution.ps1

   1 # 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
   2
   3 Function Set-ScreenResolution {
   4 param (
   5 [Parameter(Mandatory=$true,
   6            Position = 0)]
   7 [int]
   8 $Width,
   9 [Parameter(Mandatory=$true,
  10            Position = 1)]
  11 [int]
  12 $Height
  13 )
  14 $pinvokeCode = @"
  15 using System;
  16 using System.Runtime.InteropServices;
  17 namespace Resolution
  18 {
  19     [StructLayout(LayoutKind.Sequential)]
  20     public struct DEVMODE1
  21     {
  22         [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
  23         public string dmDeviceName;
  24         public short dmSpecVersion;
  25         public short dmDriverVersion;
  26         public short dmSize;
  27         public short dmDriverExtra;
  28         public int dmFields;
  29         public short dmOrientation;
  30         public short dmPaperSize;
  31         public short dmPaperLength;
  32         public short dmPaperWidth;
  33         public short dmScale;
  34         public short dmCopies;
  35         public short dmDefaultSource;
  36         public short dmPrintQuality;
  37         public short dmColor;
  38         public short dmDuplex;
  39         public short dmYResolution;
  40         public short dmTTOption;
  41         public short dmCollate;
  42         [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
  43         public string dmFormName;
  44         public short dmLogPixels;
  45         public short dmBitsPerPel;
  46         public int dmPelsWidth;
  47         public int dmPelsHeight;
  48         public int dmDisplayFlags;
  49         public int dmDisplayFrequency;
  50         public int dmICMMethod;
  51         public int dmICMIntent;
  52         public int dmMediaType;
  53         public int dmDitherType;
  54         public int dmReserved1;
  55         public int dmReserved2;
  56         public int dmPanningWidth;
  57         public int dmPanningHeight;
  58     };
  59     class User_32
  60     {
  61         [DllImport("user32.dll")]
  62         public static extern int EnumDisplaySettings(string deviceName, int modeNum, ref DEVMODE1 devMode);
  63         [DllImport("user32.dll")]
  64         public static extern int ChangeDisplaySettings(ref DEVMODE1 devMode, int flags);
  65         public const int ENUM_CURRENT_SETTINGS = -1;
  66         public const int CDS_UPDATEREGISTRY = 0x01;
  67         public const int CDS_TEST = 0x02;
  68         public const int DISP_CHANGE_SUCCESSFUL = 0;
  69         public const int DISP_CHANGE_RESTART = 1;
  70         public const int DISP_CHANGE_FAILED = -1;
  71     }
  72     public class PrmaryScreenResolution
  73     {
  74         static public string ChangeResolution(int width, int height)
  75         {
  76             DEVMODE1 dm = GetDevMode1();
  77             if (0 != User_32.EnumDisplaySettings(null, User_32.ENUM_CURRENT_SETTINGS, ref dm))
  78             {
  79                 dm.dmPelsWidth = width;
  80                 dm.dmPelsHeight = height;
  81                 int iRet = User_32.ChangeDisplaySettings(ref dm, User_32.CDS_TEST);
  82                 if (iRet == User_32.DISP_CHANGE_FAILED)
  83                 {
  84                     return "Unable To Process Your Request. Sorry For This Inconvenience.";
  85                 }
  86                 else
  87                 {
  88                     iRet = User_32.ChangeDisplaySettings(ref dm, User_32.CDS_UPDATEREGISTRY);
  89                     switch (iRet)
  90                     {
  91                         case User_32.DISP_CHANGE_SUCCESSFUL:
  92                             {
  93                                 return "Success";
  94                             }
  95                         case User_32.DISP_CHANGE_RESTART:
  96                             {
  97                                 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.";
  98                             }
  99                         default:
 100                             {
 101                                 return "Failed To Change The Resolution";
 102                             }
 103                     }
 104                 }
 105             }
 106             else
 107             {
 108                 return "Failed To Change The Resolution.";
 109             }
 110         }
 111         private static DEVMODE1 GetDevMode1()
 112         {
 113             DEVMODE1 dm = new DEVMODE1();
 114             dm.dmDeviceName = new String(new char[32]);
 115             dm.dmFormName = new String(new char[32]);
 116             dm.dmSize = (short)Marshal.SizeOf(dm);
 117             return dm;
 118         }
 119     }
 120 }
 121 "@
 122 Add-Type $pinvokeCode -ErrorAction SilentlyContinue
 123 [Resolution.PrmaryScreenResolution]::ChangeResolution($width,$height)
 124 }