Create Jpeg data from CGImage in Xamarin C#

CGImageHelper.cs

static NSData JpegData(this CGImage cgImage, float compressionQuality)
{
	var data = NSMutableData.Create();

	var idst = CGImageDestination.Create(data, "UTTypeJPEG", 1, null);
	if (idst != null)
	{
		var props = NSDictionary.FromObjectsAndKeys(
			new[] { NSNumber.FromFloat(compressionQuality) },
			new[] { CGImageDestinationOptionsKeys.LossyCompressionQuality }
		);

		idst.AddImage(cgImage, props);
		idst.Close();
		return NSData.FromData(data);
	}
	return null;
	
}