bitmenuf.pas

Delphi7从入门到精通及附书源码 Delphi7从入门到精通及附书源码

unit BitMenuF;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ExtCtrls, Menus;

type
  TForm1 = class(TForm)
    ShapeDemo: TShape;
    MainMenu1: TMainMenu;
    File1: TMenuItem;
    Exit1: TMenuItem;
    Shape1: TMenuItem;
    Ellipse1: TMenuItem;
    RoundRec1: TMenuItem;
    Rectang1: TMenuItem;
    Color1: TMenuItem;
    Red1: TMenuItem;
    Green1: TMenuItem;
    Blue1: TMenuItem;
    Help1: TMenuItem;
    About1: TMenuItem;
    procedure FormResize(Sender: TObject);
    procedure Exit1Click(Sender: TObject);
    procedure About1Click(Sender: TObject);
    procedure ColorClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Ellipse1Click(Sender: TObject);
    procedure RoundRec1Click(Sender: TObject);
    procedure Rectang1Click(Sender: TObject);
    procedure ColorMeasureItem(Sender: TObject; ACanvas: TCanvas;
      var Width, Height: Integer);
    procedure ColorDrawItem(Sender: TObject; ACanvas: TCanvas;
      ARect: TRect; Selected: Boolean);
    procedure ShapeMeasureItem(Sender: TObject; ACanvas: TCanvas;
      var Width, Height: Integer);
    procedure Ellipse1DrawItem(Sender: TObject; ACanvas: TCanvas;
      ARect: TRect; Selected: Boolean);
    procedure RoundRec1DrawItem(Sender: TObject; ACanvas: TCanvas;
      ARect: TRect; Selected: Boolean);
    procedure Rectang1DrawItem(Sender: TObject; ACanvas: TCanvas;
      ARect: TRect; Selected: Boolean);
  private
    { Private declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.FormResize(Sender: TObject);
begin
  ShapeDemo.SetBounds (ClientWidth div 6, ClientHeight div 6,
    2 * ClientWidth div 3, 2 * ClientHeight div 3);
end;

procedure TForm1.Exit1Click(Sender: TObject);
begin
  Close;
end;

procedure TForm1.About1Click(Sender: TObject);
begin
  MessageDlg ('Owner-draw menu example,'#13 +
    'from "Mastering Delphi" by Marco Cant