added wxTreeEvent::GetKeyEvent() to allow to retrieve the key event flags from EVT_TREE_KEY_DOWN event

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11687 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/treebase.cpp

@@ -73,7 +73,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
            : wxNotifyEvent(commandType, id)
 {
-    m_code = 0;
     m_itemOld = 0l;
 }