NAME

       wxOverlay - Functions for wxOverlay class

DESCRIPTION

       Creates an overlay over an existing window, allowing for manipulations like rubberbanding,
       etc. On wxOSX the overlay is implemented with native platform APIs, on the other platforms
       it is simulated using wxMemoryDC.

       See: wxDCOverlay, wxDC

       wxWidgets docs: wxOverlay

DATA TYPES

       wxOverlay() = wx:wx_object()

EXPORTS

       new() -> wxOverlay()

       destroy(This :: wxOverlay()) -> ok

       reset(This) -> ok

              Types:

                 This = wxOverlay()

              Clears the overlay without restoring the former state.

              To be done, for example, when the window content has been changed and repainted.