摘要：
1.Range{location,length} 一维范围 NSRange a; a.length=10; a.location=6; NSRange range={10,6}; NSRange range1=NSMakeRange(10, 6);2.Point{x,y} 点 NSPoint point; point.x=10; point.y=11; NSPoint point1={20,10}; NSPoint point2=NSMakePoint(10, 20);3.Size{height,width} NSSize size; size.height=10; size.wid... 阅读全文
