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Delphi source code for Forms >> Show a form in full-screen mode

Category: Forms
Title: Show a form in full-screen mode
Author: Babak Sateli
Date added: 15.03.2006
Hits: 22791

  Make your application Full Screen.
  Disable all of the system keys.

procedure TForm1.FormCreate(Sender: TObject);
  HTaskbar: HWND;
  OldVal: LongInt;
    // Find handle of TASKBAR
    HTaskBar := FindWindow('Shell_TrayWnd', nil);
    // Turn SYSTEM KEYS off, Only Win 95/98/ME
    SystemParametersInfo(97, Word(True), @OldVal, 0);
    // Disable the taskbar
    EnableWindow(HTaskBar, False);
    // Hide the taskbar
    ShowWindow(HTaskbar, SW_HIDE);
    with Form1 do 
      BorderStyle := bsNone;
      FormStyle   := fsStayOnTop;
      Left        := 0;
      Top         := 0;
      Height      := Screen.Height;
      Width       := Screen.Width;

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
  HTaskbar: HWND;
  OldVal: LongInt;
  //Find handle of TASKBAR
  HTaskBar := FindWindow('Shell_TrayWnd', nil);
  //Turn SYSTEM KEYS Back ON, Only Win 95/98/ME
  SystemParametersInfo(97, Word(False), @OldVal, 0);
  //Enable the taskbar
  EnableWindow(HTaskBar, True);
  //Show the taskbar
  ShowWindow(HTaskbar, SW_SHOW);
  Hope you like it !
  So if you have any problem using these codes
  please e-mail me at :
  Babak Sateli

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