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Respondstoselector example
Respondstoselector example

Respondstoselector example

Link: Download Respondstoselector example

Date added: 29.03.2015
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For example, a container object might define two containers as equal if their . inherits a method from its superclass by sending respondsToSelector: to the

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Jul 24, 2014 - We've also inverted the respondsToSelector: test so that we avoid doing an if the logic spanned multiple lines, unlike this trivial example). Apr 12, 2011 - This tutorial is based around a very simple example I've put together as with if([delegate respondsToSelector:@selector(amountEntered:)]). Here's a full implementation of a view controller with a location manager asking for WhenInUse (foreground) authorization. This is a basic example which doesn'tSep 12, 2010 - I've only ever used respondsToSelector when I'm writing code that must In the vast majority of examples, you don't own the delegate object,

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Jan 1, 2011 - If I run the code and do respondsToSelector myself it will tell me the object will for example, responds to an optional method of the protocol). Jan 6, 2014 - For example, suppose you have an NSWindow. to the windowDidMove: message using respondsToSelector: and send it if appropriate. In this article I present examples of how classes can handle messages that were says she can handle them (which it does by answering respondsToSelector ). Sep 29, 2014 - You can do so via the respondsToSelector() method. The following example tests to see if the UIApplication object contains the Nov 25, 2011 - Consider the Car example used throughout this chapter. carInfo respondsToSelector:selector]) { printf("[forwarding from %s to %s] ", [[[self

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