objective c - Creating NSShadow makes an error -


I am making a white shadow in Objective-C and using the code 

 < Code> NSShadow * MyShadow = [[NSShadow alloc] init]; [MyShadow Set Shadowdoor: [UIColor whiteColor]];

And it works fine, but when I'm trying to minimize it 

  NSShadow * myShadow = [[[nsahona alloc] init ] SetShadowColor: [UIColor whiteColor]]; I get an error message in introducing 'NSShadow * __ Strong' with an incompatible type 'zero' expression. "Anyone knows what's happening here?"  
 
 
 What's happening, the compiler will be  NSShadow *  to  zero  Assigning.> (Return type of  setShadowColor  and that whole expression). 
 
 You have to use your two-line approach, which is to read and maintain it's easy / P>
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