Change the background. neat.
#requires -version 2.0 ## Set-Wallpaper - set your windows desktop wallpaper ################################################################################################### ## Usage: ## Set-Wallpaper "C:\Users\Joel\Pictures\Wallpaper\Dual Monitor\mandolux-tiger.jpg" "Tile" ## ls *.jpg | get-random | Set-Wallpaper ## ls *.jpg | get-random | Set-Wallpaper -Style "Stretch" ################################################################################################### ## History: ## v0.5 First release (on #PowerShell@irc.freenode.net) ## v1.0 Public release (http://www.poshcode.org/488) ## - Added Style: Tile|Center|Stretch ## v1.1 This Release ## - Added "NoChange" style to just use the style setting already set ## - Made the Style parameter to the cmdlet optional ################################################################################################### add-type @" using System; using System.Runtime.InteropServices; using Microsoft.Win32; namespace Wallpaper { public enum Style : int { Tile, Center, Stretch, NoChange } public class Setter { public const int SetDesktopWallpaper = 20; public const int UpdateIniFile = 0x01; public const int SendWinIniChange = 0x02; [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)] private static extern int SystemParametersInfo (int uAction, int uParam, string lpvParam, int fuWinIni); public static void SetWallpaper ( string path, Wallpaper.Style style ) { SystemParametersInfo( SetDesktopWallpaper, 0, path, UpdateIniFile | SendWinIniChange ); RegistryKey key = Registry.CurrentUser.OpenSubKey("Control Panel\\Desktop", true); switch( style ) { case Style.Stretch : key.SetValue(@"WallpaperStyle", "2") ; key.SetValue(@"TileWallpaper", "0") ; break; case Style.Center : key.SetValue(@"WallpaperStyle", "1") ; key.SetValue(@"TileWallpaper", "0") ; break; case Style.Tile : key.SetValue(@"WallpaperStyle", "1") ; key.SetValue(@"TileWallpaper", "1") ; break; case Style.NoChange : break; } key.Close(); } } } "@ function Set-Wallpaper { Param( [Parameter(Position=0, Mandatory=$true, ValueFromPipelineByPropertyName=$true)] [Alias("FullName")] [string] $Path , [Parameter(Position=1, Mandatory=$false)] [Wallpaper.Style] $Style = "NoChange" ) [Wallpaper.Setter]::SetWallpaper( (Convert-Path $Path), $Style ) } Set-Wallpaper "C:\CyberTransport\Images\unclejoey.bmp" "Stretch"