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POHow do you create an NSValue wrapping a UIOffset struct?
 

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    <p>I'm trying to change the text shadow position of my <a href="http://developer.apple.com/library/ios/#documentation/uikit/reference/UISegmentedControl_Class/Reference/UISegmentedControl.html" rel="nofollow noreferrer">UISegmentedControl</a>. To do this, the <a href="http://developer.apple.com/library/ios/#documentation/uikit/reference/NSString_UIKit_Additions/Reference/Reference.html#//apple_ref/doc/uid/TP40006893" rel="nofollow noreferrer">documentation</a> says I need to pass in an <a href="https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/nsvalue_Class/Reference/Reference.html" rel="nofollow noreferrer">NSValue</a> which wraps a UIOffset struct.</p> <pre><code>UITextAttributeTextShadowOffset Key to the offset used for the text shadow in a text attributes dictionary. The corresponding value is an instance of NSValue wrapping a UIOffset struct. Available in iOS 5.0 and later. Declared in UIStringDrawing.h. </code></pre> <p>The problem is <a href="https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/nsvalue_Class/Reference/Reference.html" rel="nofollow noreferrer">NSValue</a> has no such wrapper method for a UIOffset struct - just search the documentation. I saw a lot of <a href="https://stackoverflow.com/questions/7810563/how-do-you-use-settitletextattributesforstate-in-uibaritem-in-ios-5-0">sample code</a> use this nonexistent function.</p> <pre><code>[NSValue valueWithUIOffset:UIOffsetMake(0, 1)] </code></pre> <p>It crashes when I try to run it. I don't understand how so many sample code can run it.</p>
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