ipad - Hide back button in MWPhotoBrowser navigationcontroller -


i using mwphotobrowser in arc project. working fine. want hide button. in performlayout() function, tried below code hide button not working. 

self.navigationcontroller.navigationitem.backbarbuttonitem = nil;

or 

self.navigationitem.backbarbuttonitem = nil;

or

self.navigationitem.hidesbackbutton = yes;

any idea how this?

in mwphotobrowser.m find following line:

self.previousviewcontrollerbackbutton = previousviewcontroller.navigationitem.backbarbuttonitem;

and change to:

self.previousviewcontrollerbackbutton = nil;

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