Mega Code Archive

 
Categories / Delphi / System
 

Hide the caption bar

Title: hide the caption bar? 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;