HIRect splitterRect = CGRectMake( rect.x , rect.y , rect.width , rect.height );
CGContextRef cgContext ;
#if wxMAC_USE_CORE_GRAPHICS
HIRect splitterRect = CGRectMake( rect.x , rect.y , rect.width , rect.height );
CGContextRef cgContext ;
#if wxMAC_USE_CORE_GRAPHICS