Lumos

1.0.25

Private/Set-Wallpaper.ps1

                                Function Set-Wallpaper {

    <#

        .SYNOPSIS

            Applies a specified wallpaper to the current user's desktop

        .PARAMETER Image

            Provide the full path to the image

        .EXAMPLE

            Set-WallPaper -Image "C:\Wallpaper\Default.jpg"     

    #>

    [cmdletbinding(SupportsShouldProcess)]

    Param(

        [string]

        $Image

    )

    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

    if ($PSCmdlet.ShouldProcess($Image)) {

        [void][Params]::SystemParametersInfo($SPI_SETDESKWALLPAPER, 0, $Image, $fWinIni)

    }

}