/// <summary>
/// Clears the cache for a particular URL.
/// </summary>
/// <param name="url">The URL to remove from the cache.</param>
/// <remarks>
/// The URL can either be an image URL for a downloaded picture, or
/// a request URL (see <see cref="LastRequest"/> for getting the last URL).
/// </remarks>
public static void FlushCache(Uri url)
{
Cache.FlushCache(url);
}