/// <summary>
 /// The Update OS Image operation updates an OS image that in your
 /// image repository.  (see
 /// http://msdn.microsoft.com/en-us/library/windowsazure/jj157198.aspx
 /// for more information)
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.WindowsAzure.Management.Compute.IVirtualMachineImageOperations.
 /// </param>
 /// <param name='imageName'>
 /// The name of the virtual machine image to be updated.
 /// </param>
 /// <param name='parameters'>
 /// Parameters supplied to the Update Virtual Machine Image operation.
 /// </param>
 /// <returns>
 /// Parameters returned from the Create Virtual Machine Image operation.
 /// </returns>
 public static Task<VirtualMachineImageUpdateResponse> UpdateAsync(this IVirtualMachineImageOperations operations, string imageName, VirtualMachineImageUpdateParameters parameters)
 {
     return operations.UpdateAsync(imageName, parameters, CancellationToken.None);
 }
 /// <summary>
 /// The Update OS Image operation updates an OS image that in your
 /// image repository.  (see
 /// http://msdn.microsoft.com/en-us/library/windowsazure/jj157198.aspx
 /// for more information)
 /// </summary>
 /// <param name='operations'>
 /// Reference to the
 /// Microsoft.WindowsAzure.Management.Compute.IVirtualMachineImageOperations.
 /// </param>
 /// <param name='imageName'>
 /// The name of the virtual machine image to be updated.
 /// </param>
 /// <param name='parameters'>
 /// Parameters supplied to the Update Virtual Machine Image operation.
 /// </param>
 /// <returns>
 /// Parameters returned from the Create Virtual Machine Image operation.
 /// </returns>
 public static VirtualMachineImageUpdateResponse Update(this IVirtualMachineImageOperations operations, string imageName, VirtualMachineImageUpdateParameters parameters)
 {
     try
     {
         return operations.UpdateAsync(imageName, parameters).Result;
     }
     catch (AggregateException ex)
     {
         if (ex.InnerExceptions.Count > 1)
         {
             throw;
         }
         else
         {
             throw ex.InnerException;
         }
     }
 }