wxTreeCtrl docs additions/corrections, wxNotifyEvent::Allow() adocumented

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@8380 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/treeevt.tex

@@ -22,6 +22,7 @@ functions that take a wxTreeEvent argument.
 \begin{twocollist}\itemsep=0pt
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_DRAG(id, func)}}{Begin dragging with the left mouse button.}
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_RDRAG(id, func)}}{Begin dragging with the right mouse button.}
+\twocolitem{{\bf EVT\_TREE\_END\_DRAG(id, func)}}{Drag ended (drop).}
 \twocolitem{{\bf EVT\_TREE\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_END\_LABEL\_EDIT(id, func)}}{Finish editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
 \twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{Delete an item.}