Xamarin.iOS get video thumbnail

GetVideoThumbnail.cs

private UIImage GetVideoThumbnail(string path)
{
	try {
		CMTime actualTime;
		NSError outError;
		using (var asset = AVAsset.FromUrl (NSUrl.FromFilename (path)))
		using (var imageGen = new AVAssetImageGenerator (asset))
		using (var imageRef = imageGen.CopyCGImageAtTime (new CMTime (1, 1), out actualTime, out outError)) {
			return UIImage.FromImage (imageRef);
		}	
	} catch {
		return null;
	}
}