/// <summary>
 /// File rquest received event callback.
 /// </summary>
 /// <param name="projectID">project id</param>
 /// <param name="senderID">sender id</param>
 /// <param name="fileName">file name</param>
 /// <param name="totalSize">total size</param>
 /// <param name="resumedFileItem">resumed file item</param>
 /// <param name="savePath">save path</param>
 void FileController_FileRequestReceived(string projectID, string senderID, string fileName, ulong totalSize, ResumedProjectItem resumedFileItem, string savePath)
 {
     mFileController.BeginReceiveFile(projectID, savePath);
 }