SetActionPressed
void SetActionPressed(uint32 command, bool pressed);
fToolBar->SetActionPressed(what, marked);
fToolBar->SetActionPressed(what, marked);
fToolBar->SetActionPressed(MSG_SLIDE_SHOW, false);
fToolBar->SetActionPressed(MSG_SLIDE_SHOW, true);
fToolBar->SetActionPressed(MSG_SLIDE_SHOW, false);