private void OnUpdateItemOperationCompleted(object arg)
{
if ((this.UpdateItemCompleted != null))
{
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.UpdateItemCompleted(this, new UpdateItemCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}