OnUpdateViewport  988 applications/osmo4_wx/wxOsmo4.cpp 	EVT_UPDATE_UI_RANGE(ID_VIEWPOINT_FIRST, ID_VIEWPOINT_LAST, wxOsmo4Frame::OnUpdateViewport)
OnUpdateViewport  311 applications/osmo4_wx/wxOsmo4.h 	void OnUpdateViewport(wxUpdateUIEvent & event);