public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
switch ((TransmissionType)value) {
case TransmissionType.UPLOAD_NEW_FILE:
return UIHelpers.GetImageSource("Uploading");
case TransmissionType.DOWNLOAD_NEW_FILE:
return UIHelpers.GetImageSource("Downloading");
default:
return UIHelpers.GetImageSource("Updating");
}
}