+ case CBN_DROPDOWN:
+ // remember the last selection, just as wxChoice does
+ m_lastAcceptedSelection = GetCurrentSelection();
+ if ( m_lastAcceptedSelection == -1 )
+ {
+ // but unlike with wxChoice we may have no selection but still
+ // have some text and we should avoid erasing it if the drop
+ // down is cancelled (see #8474)
+ m_lastAcceptedSelection = wxID_NONE;
+ }
+ break;
+