// the data when it's destroyed) or an untyped pointer which won't be deleted
// by the container - but not both of them
//
// NOTE: This functionality is currently duplicated in wxEvtHandler in order
// the data when it's destroyed) or an untyped pointer which won't be deleted
// by the container - but not both of them
//
// NOTE: This functionality is currently duplicated in wxEvtHandler in order