ios - Get Alpha Value Objective-C -


how alpha value of nsbox , use in if statement?

i want check alpha of nsbox if value equal 0 something.

if ([preferences alphavalue ==0]) { [[[[preferences subviews] objectatindex:0] animator] setalphavalue:0.0]; } else { [[[[preferences subviews] objectatindex:0] animator] setalphavalue:1]; } }

do want

if ([preferences alphavalue] == 1.0)

or something?

you need explain want more clearly.


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