重写-（void）parentViewController以返回自定义视图控制器。 并避免将来进行类型转换...？

Question

I have a @interface CustomViewController : UIViewController . I wonder if it is possible to do this:

-(CustomViewController*)parentViewController{
      return /* bla bla return custom vc here*/; 
}

As you can see, I want to simply override -(UIViewController*)parentViewController but to return an instance of CustomViewController .

Obviously, I can simply create another property like customParentViewContrller and everything will be fine. However, I really don't want to do this, because I will end up using two properties, which actually represent the same thing - not good.

Edit: Let me clear this. I want to avoid type casting in future so that this code [(CustomViewController*)self.parentViewController someCustomProperty]

turns to this code

[self.parentViewController someCustomProperty] .

Answer 1

Yeah you can..

Created a basic project and tested it out:

- (ViewController *)parentViewController {
    return self;
}

Working fine.