IOS/Objective-C: Set property in presenting view controller

Question

When you create a modal View Controller using code, the modal controller has the ability to access the presenting controller.

Please read following. This is the crux of question. I do not want to use delegates.

According to Apple doc s:

When you present a view controller modally (either explicitly or implicitly) using the present(_:animated:completion:) method, the view controller that was presented has this property set to the view controller that presented it.

I want to set the value of a property of the presenting view controller. However, I don't create the VC in code. I use a segue from a button.

This gives error: Property afterAdd not found on object of type UIViewController:

   self.presentingViewController.afterAdd = YES;

where the property afterAdd is set as follows:

@property (nonatomic) BOOL afterAdd;

Is there any way to set the value of a property in the presenting view controller when the link is by storyboard that is analogous to the above and does not involve using delegate methods?

Answer 1

You should cast self.presentingViewController to your real view controlller class. Something like this, just replace MyCustomViewController with your real controller name: ((MyCustomViewController *)self.presentingViewController).afterAdd = YES; .