Add new wallpaper image (Wallpaper.png) to the project

2_ConfigUpdate.ps1

@@ -133,6 +133,24 @@ foreach ($entry in $entries) {
     }
 }
 
+# Wallpaper and Lock Screen
+Write-Host "Setting desktop wallpaper and lock screen..."
+
+$wallpaperDest = "C:\Windows\Web\Wallpaper\Custom"
+New-Item -Path $wallpaperDest -ItemType Directory -Force | Out-Null
+Copy-Item -Path "$scriptDir\wallpaper\Wallpaper.png" -Destination "$wallpaperDest\Wallpaper.png" -Force
+Copy-Item -Path "$scriptDir\wallpaper\Lockscreen.png" -Destination "$wallpaperDest\Lockscreen.png" -Force
+
+Add-Type -TypeDefinition @"
+using System.Runtime.InteropServices;
+public class Wallpaper {
+    [DllImport("user32.dll", CharSet = CharSet.Auto)]
+    public static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni);
+}
+"@
+[Wallpaper]::SystemParametersInfo(0x0014, 0, "$wallpaperDest\Wallpaper.png", 3) | Out-Null
+Write-Host "Desktop wallpaper and lock screen configured."
+
 # ShareX - Remove "Capture Entire Screen" shortcut
 Write-Host "Configuring ShareX shortcuts..."