Hit Test sample

gistfile1.m

    DCIDrawView *view = (DCIDrawView *)[self.view hitTest:location withEvent:nil];
    if (self.view != view) {
        self.highlightedView = view;
        self.highlightedView.highlighted = YES;
        [self.highlightedView setNeedsDisplay];
    } else {
        self.highlightedView = nil;
        self.highlightedView.highlighted = NO;
    }