IS/AS 示例代码
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
edt1: TEdit;
btn1: TButton;
procedure FormCreate(Sender: TObject);
private
procedure MyPro(Sender: TObject);
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
edt1.OnClick :=MyPro;
btn1 .OnClick :=MyPro;
end;
procedure Tform1.MyPro(Sender: TObject);
begin
if Sender is TEdit then
ShowMessage((Sender as TEdit).Text );
if Sender is TButton then
ShowMessage((Sender as TButton).Caption );
end;
end.