Added wxTreeCtrl::GetItemParent to deprecate GetParent.

Moved GetParent into WX_COMPAT_2_2 and exposed base GetParent in
that case too.

Replaced all lib/sample uses of wxTC::GetParent with GetItemParent.

Updated docs to suit.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18448 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/dirctrlg.cpp

@@ -687,7 +687,7 @@ void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
     }
 
     // don't rename the individual sections
-    if (m_treeCtrl->GetParent( event.GetItem() ) == m_rootId)
+    if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
     {
         event.Veto();
         return;