colourlabel.pas

详细说明:毕业论文中关于小型宾馆管理系统的详细设计毕 业论文中关于小型宾馆...一个酒店管理系统VB+Access [学生学籍管理系统(VB+Acess).zip] - !这个是刚刚编的毕业设计,可能

unit ColourLabel;

interface

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

type
  TColourLabel = class(TLabel)

  private
    { Private declarations }
    g_color:Tcolor;
     procedure ColourLabelMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
     procedure ColourLabelMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);



  protected
    { Protected declarations }
  public
    { Public declarations }
    constructor Create(AOwner: TComponent);override;

  published
    { Published declarations }

  end;

procedure Register;



implementation


procedure Register;
begin
  RegisterComponents('Samples', [TColourLabel]);
end;

constructor TColourLabel.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  Cursor:=crHandPoint;
  Font.Color:=ClBlue;
  Font.Style:=[fsUnderLine];
  OnMouseDown:=ColourLabelMouseDown;
  OnMouseUp:=ColourLabelMouseUp;

end;
//
procedure TColourLabel.ColourLabelMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
g_color:=Color;
Color:=clBlack;
Font.Color:=ClYellow;
end;
//
procedure TColourLabel.ColourLabelMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
Color:=g_color;
Font.Color:=ClBlue;
end;
end.