Window resizable - kAXGrowAreaAttribute always return NULL
问题 In my app I want to check if windows from others apps are resizable. I´m using the accessibility API to test if the window has the kAXGrowAreaAttribute attribute (if NULL is not resizable) as Peter Hosey answered in this question. The problem is that the kAXGrowAreaAttribute returned value is always NULL it doesn´t matter if the window is resizable or not. Note: to retrieve the value I´m using the UIElementUtilities class from the Apple UIElementInspector example (I also have tried using