Draw an option button with its lower left origin at (x, y) and size of (w, h),
where flags is one or multiple flags from BNDcornerFlags and state denotes
the widgets current UI state.
if label is not null, a label will be added to the widget
widget looks best when height is BND_WIDGET_HEIGHT
Draw an option button with its lower left origin at (x, y) and size of (w, h), where flags is one or multiple flags from BNDcornerFlags and state denotes the widgets current UI state.
if label is not null, a label will be added to the widget
widget looks best when height is BND_WIDGET_HEIGHT