Public/Set-Wallpaper.ps1
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Function Set-WallPaper { <# .SYNOPSIS Applies a specified wallpaper to the current user's desktop .PARAMETER Image Provide the exact path to the image .PARAMETER Style Provide wallpaper style (Example: Fill, Fit, Stretch, Tile, Center, or Span) .EXAMPLE Set-WallPaper -Image "C:\Wallpaper\Default.jpg" Set-WallPaper -Image "C:\Wallpaper\Background.jpg" -Style Fit #> param ( [parameter(Mandatory = $True)] # Provide path to image [string]$Image, # Provide wallpaper style that you would like applied [parameter(Mandatory = $False)] [ValidateSet('Fill', 'Fit', 'Stretch', 'Tile', 'Center', 'Span')] [string]$Style ) $WallpaperStyle = Switch ($Style) { "Fill" { "10" } "Fit" { "6" } "Stretch" { "2" } "Tile" { "0" } "Center" { "0" } "Span" { "22" } } If ($Style -eq "Tile") { New-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name WallpaperStyle -PropertyType String -Value $WallpaperStyle -Force New-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name TileWallpaper -PropertyType String -Value 1 -Force } Else { New-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name WallpaperStyle -PropertyType String -Value $WallpaperStyle -Force New-ItemProperty -Path "HKCU:\Control Panel\Desktop" -Name TileWallpaper -PropertyType String -Value 0 -Force } Add-Type -TypeDefinition @" using System; using System.Runtime.InteropServices; public class Params { [DllImport("User32.dll",CharSet=CharSet.Unicode)] public static extern int SystemParametersInfo (Int32 uAction, Int32 uParam, String lpvParam, Int32 fuWinIni); } "@ $SPI_SETDESKWALLPAPER = 0x0014 $UpdateIniFile = 0x01 $SendChangeEvent = 0x02 $fWinIni = $UpdateIniFile -bor $SendChangeEvent $ret = [Params]::SystemParametersInfo($SPI_SETDESKWALLPAPER, 0, $Image, $fWinIni) } |