unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Button1: TButton;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);//以TLabel控件为例,显示TLabel控件的属性;
begin
Edit1.Text:=inttostr(Label1.Width);
Edit2.Text:=Label1.Caption;
Edit3.Text:=Label1.Name;
Edit4.Text:=inttostr(Label1.Top);
end;

end.