Добавление события OnMouseLeave

procedure CMMouseEnter(var msg:TMessage); message CM_MOUSEENTER;
procedure CMMouseLeave(var msg: TMessage); message CM_MOUSELEAVE;
..
..
..
procedure MyComponent.CMMouseEnter(var msg:TMessage);
begin

inherited;
{действия на вход мыши в область компонента}
end;

procedure MyComponent.CMMouseLeave(var msg: TMessage);
begin

inherited;
{действия на покидание мыши области компонента}
end; 

(*///////////////////////////////////////////////////////*)
(*// Author: Briculski Serge
(*// E-Mail: bserge@airport.md
(*// Date: 26 Apr 2000
(*///////////////////////////////////////////////////////*)

unit BS_Label;

interface

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

type
  TBS_Label = class(TLabel)
  private
    { Private declarations }
    FOnMouseLeave: TNotifyEvent;
    FOnMouseEnter: TNotifyEvent;
    procedure CMMouseEnter(var Message: TMessage); message CM_MOUSEENTER;
    procedure CMMouseLeave(var Message: TMessage); message CM_MOUSELEAVE;
  protected
    { Protected declarations }
  public
    { Public declarations }
  published
    { Published declarations }
    property OnMouseLeave: TNotifyEvent read FOnMouseLeave write FOnMouseLeave;
    property OnMouseEnter: TNotifyEvent read FOnMouseEnter write FOnMouseEnter;
  end;

procedure Register;

implementation

procedure Register;
begin
  RegisterComponents('Custom', [TBS_Label]);
end;

{ TBS_Label }

procedure TBS_Label.CMMouseEnter(var Message: TMessage);
begin
  if Assigned(FOnMouseEnter) then
    FOnMouseEnter(Self);
end;

procedure TBS_Label.CMMouseLeave(var Message: TMessage);
begin
  if Assigned(FOnMouseLeave) then
    FOnMouseLeave(Self);
end;

end.