[[cHackAll]]

Empezado por WS_EX_TOOLWINDOW

A tool window does not appear in the taskbar or in the dialog that appears when the user presses ALT+TAB.

Código Delphi [-]
procedure TForm1.FormCreate(Sender: TObject);
begin
 BorderStyle := bsToolWindow; // Design time
 SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
end;