unit1.~pas

一系列DELPHI的控件如何使用的例子,例子有的比较简单,但是能详细的说明了控件的使用,对许多刚涉足DELPHI的朋友会很有帮助的

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, StdCtrls, Buttons, ComCtrls, Menus;

type
  TForm1 = class(TForm)
    StatusBar1: TStatusBar;
    Panel1: TPanel;
    SpeedButton1: TSpeedButton;
    SpeedButton2: TSpeedButton;
    SpeedButton3: TSpeedButton;
    SpeedButton4: TSpeedButton;
    Memo1: TMemo;
    Timer1: TTimer;
    PopupMenu1: TPopupMenu;
    copy1: TMenuItem;
    cut1: TMenuItem;
    paste1: TMenuItem;
    clear1: TMenuItem;
    procedure Timer1Timer(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton3Click(Sender: TObject);
    procedure SpeedButton4Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    procedure displayhint(Sender: TObject);
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
procedure tform1.displayhint(Sender: TObject);
begin
   StatusBar1.Panels[0].Text:=application.Hint;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
    StatusBar1.Panels[1].Text:=datetostr(date);
    StatusBar1.Panels[2].Text:=timetostr(time);
end;

procedure TForm1.SpeedButton1Click(Sender: TObject);
begin
   memo1.CopyToClipboard;
end;

procedure TForm1.SpeedButton2Click(Sender: TObject);
begin
   memo1.CutToClipboard;
end;

procedure TForm1.SpeedButton3Click(Sender: TObject);
begin
   memo1.PasteFromClipboard;
end;

procedure TForm1.SpeedButton4Click(Sender: TObject);
begin
   memo1.Clear;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
   application.OnHint:=displayhint;
end;

end.