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iosobjective-ccocoa-touchcomparisoncgrect

Comparing two CGRects


I needed to check wether the frame of my view is equal to a given CGRect. I tried doing that like this:

CGRect rect = CGRectMake(20, 20, 20, 20);
if (self.view.frame == rect)
{
    // do some stuff
}

However, I got an error saying Invalid operands to binary expression('CGRect' (aka 'struct CGRect') and 'CGRect'). Why can't I simply compare two CGRects?


Solution

  • Use this:

    if (CGRectEqualToRect(self.view.frame, rect)) {
         // do some stuff
    }