/// <summary>
 /// Helper method to support resource disposal.
 /// </summary>
 /// <param name="disposing">Indicates the source of the dispose call.</param>
 protected virtual void Dispose(bool disposing)
 {
     if (!_disposed)
     {
         if (disposing)
         {
             if (_wsProxy != null)
             {
                 _wsProxy.Dispose();
             }
         }
     }
     _disposed = true;
 }