M
maple_guo
Unregistered / Unconfirmed
GUEST, unregistred user!
代码:
TRect = packed record
case Integer of //到底是判断Integer的什么[?]
0: (Left, Top, Right, Bottom: Longint);
1: (TopLeft, BottomRight: TPoint);
end;
2、为什么要这样定义[?]
3、它是怎样保证不论Integer的取值如何都能访问到相同的数据的呢?[?][?][?]
谢谢![]