public static void Main(string[] args)
{
Options options = new Options();
bool valid = CommandLine.Parser.Default.ParseArgumentsStrict(args, options);
if (valid)
{
IActiveDesktop activeDesktop = ActiveDesktop.Create();
string filePath = options.File;
string style = options.Style;
WallPaperStyle wpStyle = WallPaperStyle.WPSTYLE_CROPTOFIT;
if (style.Equals("center"))
{
wpStyle = WallPaperStyle.WPSTYLE_CENTER;
}
else if (style.Equals("tile"))
{
wpStyle = WallPaperStyle.WPSTYLE_TILE;
}
else if (style.Equals("stretch"))
{
wpStyle = WallPaperStyle.WPSTYLE_STRETCH;
}
else if (style.Equals("keep-aspect"))
{
wpStyle = WallPaperStyle.WPSTYLE_KEEPASPECT;
}
else if (style.Equals("crop-to-fit"))
{
wpStyle = WallPaperStyle.WPSTYLE_CROPTOFIT;
}
else if (style.Equals("span"))
{
wpStyle = WallPaperStyle.WPSTYLE_SPAN;
}
WALLPAPEROPT wallpaperOpt = new WALLPAPEROPT();
wallpaperOpt.dwStyle = wpStyle;
wallpaperOpt.SizeOf = Marshal.SizeOf(typeof(WALLPAPEROPT));
IntPtr progmanWindow = User32.FindWindow("Progman", null);
User32.SendMessage(progmanWindow, 0x52c, IntPtr.Zero, IntPtr.Zero);
activeDesktop.SetWallpaper(filePath, 0);
activeDesktop.SetWallpaperOptions(ref wallpaperOpt, 0);
activeDesktop.ApplyChanges(AD_Apply.ALL | AD_Apply.FORCE | AD_Apply.BUFFERED_REFRESH);
}
else
{
Console.WriteLine("Invalid Command Line Arguments");
}
}
private static void SetWallpaper(String file)
{
WALLPAPEROPT wallpaperOpt = new WALLPAPEROPT();
wallpaperOpt.dwStyle = WallPaperStyle.WPSTYLE_CROPTOFIT;
wallpaperOpt.SizeOf = Marshal.SizeOf(typeof(WALLPAPEROPT));
IntPtr programWindow = User32.FindWindow("Progman", null);
User32.SendMessage(programWindow, 0x52c, IntPtr.Zero, IntPtr.Zero);
IActiveDesktop activeDesktop = ActiveDesktop.Create();
activeDesktop.SetWallpaper(file, 0);
activeDesktop.SetWallpaperOptions(ref wallpaperOpt, 0);
activeDesktop.ApplyChanges(AD_Apply.ALL | AD_Apply.FORCE | AD_Apply.BUFFERED_REFRESH);
}