public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { ImageSource source = null; if (value != null) { byte[] byteArray = (byte[])value; var fileType = (string)parameter; if (fileType == "image") { source = ImageSource.FromStream(() => new MemoryStream(byteArray)); } else if (fileType == "svg") { source = SvgImageSource.FromStream(() => new MemoryStream(byteArray)); } } return(source); }