摘要：
Union部分只能放在最后，这和C的不太一样，要放在前面先用Type定义一个单独的Union类型就可以了。unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs;type TForm1 = class(TForm) procedure FormCreate(Sender: TObject); private { Private declarations } public { Public declaratio... 阅读全文
