uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ComCtrls, ShellCtrls, StdCtrls, FileCtrl, ImgPanel, Jpeg, Unit2;


procedure TForm1.Button1Click(Sender: TObject);
begin
Form1.Label1.Caption :='123';
Form2.Show;
Form2.Label1.Caption :='1234';

end;

なぜたかForm2.show;　がとおりません？なんででしょうか？