public static void Write2File(string folder, Screenshot s, bool useAlphaChannel, Action onComplete = null)
{
AsyncUtil.DoWorkAsync(() => {
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
var filename = Path.Combine(folder, string.Format("screenshot_{0}.png", DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss-fff")));
PngUtil.WriteToFile(s.Dimension.Width, s.Dimension.Height, s.Pixels, filename, useAlphaChannel);
if (onComplete != null)
{
onComplete();
}
});
}