Как создать события MouseEnter/MouseLeave

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, 
  Forms, Dialogs, ExtCtrls, ImgList, Buttons, StdCtrls;

type
  TMylabel = class(TLabel)
    Constructor Create(AOwner: TComponent); Override;
    Destructor Destroy; Override;
  Private
    Procedure CMMouseEnter(var msg: TMessage);
        message CM_MOUSEENTER;
    Procedure CMMouseLeave(var msg: TMessage);
        message CM_MOUSELEAVE;
  end;

type
  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

{ TMylabel }

procedure TMylabel.CMMouseEnter(var msg: TMessage);
begin
  inherited;
  with TMylabel(self) do
  begin
    if name = 'testlabel1' then
    begin
      caption := 'OnMouseEnter1'
    end;
    if name = 'testlabel2' then
    begin
      caption := 'OnMouseEnter2'
    end;
  end;
end;

procedure TMylabel.CMMouseLeave(var msg: TMessage);
begin
  inherited;
    with TMylabel(self) do
  begin
    caption := 'Test Label';
  end;
end;

constructor TMylabel.Create(AOwner: TComponent);
begin
  inherited;
end;

destructor TMylabel.Destroy;
begin
  inherited;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  with TMylabel.create(self) do
  begin
    parent := self;
    left := 10;
    top := 10;
    caption := 'Test Label1';
    Font.Size := 18;
    Name := 'testlabel1';
  end;
  with TMylabel.create(self) do
  begin
    parent := self;
    left := 200;
    top := 10;
    caption := 'Test Label2';
    Font.Size := 18;
    Name := 'testlabel2';
  end;
end;

end.