this code is for the item button.if we click it this code have to run but for me not entered into it while i make it as a third view controller.
if ( revealViewController )
{
[self.sidebarbutton setTarget: self.revealViewController];
NSLog(@"sidebar=%@",sidebarbutton);
[self.sidebarbutton setAction: @selector(revealToggle:)];
[self.view addGestureRecognizer:self.revealViewController.panGestureRecognizer];
}