通过字符串传递控件名

unit Unit1;

interface

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

type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation
var
cbx: TCheckBox;
{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
cbx:=TCheckBox.Create(Self);
cbx.Name := 'ww';
cbx.Caption := 'aaaaaaaaaa';
cbx.Parent := self;
cbx.Left :=100;
cbx.Top :=200;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
TCheckBox(FindComponent('ww')).Caption := 'playclickme';
end;

end.