objective c - How to call drawRect: method in super view from subview? -

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i showing popover custom view this:

enter image description here

and when user taps on popover must draw on custom view (from popover shown).

i try make [mypopover.view.superview setneedsdisplay]; don't work. may can try more reload super view or call in drawrect: method?

thank you!

maybe this? [mypopover.superview drawrect:]


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