RadioButton示例

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    RadioButton3: TRadioButton;
    RadioButton4: TRadioButton;
    Label1: TLabel;
    procedure RadioButton1Click(Sender: TObject);
    procedure RadioButton2Click(Sender: TObject);
    procedure RadioButton3Click(Sender: TObject);
    procedure RadioButton4Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.RadioButton1Click(Sender: TObject);
begin
  label1.Font.Name := '宋体';
end;

procedure TForm1.RadioButton2Click(Sender: TObject);
begin
  label1.Font.Name := '隶书';
end;

procedure TForm1.RadioButton3Click(Sender: TObject);
begin
  label1.Font.Name := '黑体';
end;

procedure TForm1.RadioButton4Click(Sender: TObject);
begin
  label1.Font.Name := '楷体';
end;

end.