#import "Controller.h" 

@implementation  Controller

- ( IBAction )pushButton:( id )sender
{

NSGraphicsContext *gCon = [NSGraphicsContext graphicsContextWithWindow:[sender window]];
[gCon setShouldAntialias: NO ];
if  ([gCon shouldAntialias]){
NSLog( @"YES" );
} else {
NSLog( @"NO" );
}

}


@end