/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The EventArgs object containing the packet data</param>
protected void ImageDataHandler(Object sender, PacketReceivedEventArgs e)
{
ImageDataPacket data = (ImageDataPacket)e.getPacket();
TaskInfo task;
if ((task = TryGetTransferValue(data.ImageID.ID))!=null)
{
// reset the timeout interval since we got data