Category: Forms
Title: Hide the caption bar
Date added: 15.03.2006
Hits: 18061


procedure TForm1.HideTitlebar;
var
  Style: Longint;
begin
  if BorderStyle = bsNone then Exit;
  Style := GetWindowLong(Handle, GWL_STYLE);
  if (Style and WS_CAPTION) = WS_CAPTION then
  begin
    case BorderStyle of
      bsSingle,
      bsSizeable: SetWindowLong(Handle, GWL_STYLE, Style and
          (not (WS_CAPTION)) or WS_BORDER);
      bsDialog: SetWindowLong(Handle, GWL_STYLE, Style and
          (not (WS_CAPTION)) or DS_MODALFRAME or WS_DLGFRAME);
    end;
    Height := Height - GetSystemMetrics(SM_CYCAPTION);
    Refresh;
  end;
end;


procedure TForm1.ShowTitlebar;
var
  Style: Longint;
begin
  if BorderStyle = bsNone then Exit;
  Style := GetWindowLong(Handle, GWL_STYLE);
  if (Style and WS_CAPTION) <> WS_CAPTION then
  begin
    case BorderStyle of
      bsSingle,
      bsSizeable: SetWindowLong(Handle, GWL_STYLE, Style or WS_CAPTION or
          WS_BORDER);
      bsDialog: SetWindowLong(Handle, GWL_STYLE,
          Style or WS_CAPTION or DS_MODALFRAME or WS_DLGFRAME);
    end;
    Height := Height + GetSystemMetrics(SM_CYCAPTION);
    Refresh;
  end;
end;


procedure TForm1.Button1Click(Sender: TObject);
begin
  HideTitlebar;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  ShowTitlebar;
end;

1. How to show balloon tooltips in my delphi program? (25380 Hits)

2. How to make a window borderless while dragging? (6538 Hits)

3. How to hide the main form at startup? (19005 Hits)

4. How to get and set mouse position? (30029 Hits)

5. How to make a 2-line hint? (7242 Hits)

For any problems or recommendations about Delphi Tricks site, please

feel free to contact us on that e-mail: support@delphitricks.com.
If you want to advertise on the site use that e-mail: advertise@delphitricks.com.

You can freely use or modify these Delphi source codes for non-commercial use. We are not responsible of any damages that can be caused by the utilisation of that source codes.