Multiline title button iOS swift

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Solution:

 The below code is used for set the multiline text to a button in iOS.

iOS 6 and above we can use the below code...

        btn.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
        btn.titleLabel.textAlignment = NSTextAlignmentCenter; 

Below iOS 6 use the below code:

        btn.titleLabel.lineBreakMode = UILineBreakModeWordWrap;
        btn.titleLabel.textAlignment = UITextAlignmentCenter; 

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