objective c - Calling Function from RootViewController -


how call rootviewcontroller function firstviewcontroller? i'm using xcode 4.6 storyboard.

rootviewcontroller.m:

-(void)openmenu {     ... }

firstviewcontroller:

- (ibaction)btnmenu:(id)sender {     rootviewcontroller *root = [[rootviewcontroller alloc] init];     [root openmenu]; // no visible @interface 'rootviewcontroller' declares selector 'openmenu' }

you have declare method in header rootviewcontroller.h. example

- (void)openmenu;

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