cocoa - NSButton blue highlight -

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I want to switch the gradient to NSButton but like blue light NSTabView < / Code> select button
Is this easy way possible?
Or should I draw it manually?
If I should draw this manually, then what is the best way to do this? ( CIFilter or simply NSGradient )

Thank you.

You have to create yourself with the custom sub-class of NSButtonCell.


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