给 Edit 两个可选值 回复 "delphi学习中" 的问题

问题来源: http://www.cnblogs.com/del/archive/2009/03/05/1345752.html#1468654

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procedure TForm1.Edit1Click(Sender: TObject);
const
  arr: array[-1..0] of string = ('man', 'woman');
begin
  Edit1.Tag := not Edit1.Tag;
  Edit1.Text := arr[Edit1.Tag];
end;