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	1	\section{\class{wxTreeEvent}}\label{wxtreeevent}
	2
	3	A tree event holds information about events associated with wxTreeCtrl objects.
	4
	5	\wxheading{Derived from}
	6
	7	\helpref{wxNotifyEvent}{wxnotifyevent}\\
	8	\helpref{wxCommandEvent}{wxcommandevent}\\
	9	\helpref{wxEvent}{wxevent}\\
	10	\helpref{wxObject}{wxobject}
	11
	12	\wxheading{Include files}
	13
	14	<wx/treectrl.h>
	15
	16	\wxheading{Event table macros}
	17
	18	To process input from a tree control, use these event handler macros to direct input to member
	19	functions that take a wxTreeEvent argument.
	20
	21	\twocolwidtha{9cm}
	22	\begin{twocollist}\itemsep=0pt
	23	\twocolitem{{\bf EVT\_TREE\_BEGIN\_DRAG(id, func)}}{The user has started dragging an item with the left mouse button. The event handler must call {\bf wxTreeEvent::Allow()} for the drag operation to continue.}
	24	\twocolitem{{\bf EVT\_TREE\_BEGIN\_RDRAG(id, func)}}{The user has started dragging an item with the right mouse button. The event handler must call {\bf wxTreeEvent::Allow()} for the drag operation to continue.}
	25	\twocolitem{{\bf EVT\_TREE\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
	26	\twocolitem{{\bf EVT\_TREE\_END\_DRAG(id, func)}}{The user has released the mouse after dragging an item.}
	27	\twocolitem{{\bf EVT\_TREE\_END\_LABEL\_EDIT(id, func)}}{The user has finished editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
	28	\twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{A tree item has been deleted.}
	29	% they're not very (or at all) useful currently
	30	%\twocolitem{{\bf EVT\_TREE\_GET\_INFO(id, func)}}{Request information from the application.}
	31	%\twocolitem{{\bf EVT\_TREE\_SET\_INFO(id, func)}}{Information is being supplied.}
	32	\twocolitem{{\bf EVT\_TREE\_ITEM\_ACTIVATED(id, func)}}{An item has been activated (e.g. double clicked).}
	33	\twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSED(id, func)}}{The item has been collapsed.}
	34	\twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSING(id, func)}}{The item is being collapsed. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
	35	\twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{The item has been expanded.}
	36	\twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{The item is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
	37	\twocolitem{{\bf EVT\_TREE\_ITEM\_RIGHT\_CLICK(id, func)}}{The user has clicked the item with the right mouse button.}
	38	\twocolitem{{\bf EVT\_TREE\_ITEM\_MIDDLE\_CLICK(id, func)}}{The user has clicked the item with the middle mouse button.}
	39	\twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.}
	40	\twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}
	41	\twocolitem{{\bf EVT\_TREE\_SEL\_CHANGING(id, func)}}{Selection is changing. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
	42	\twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.}
	43	\twocolitem{{\bf EVT\_TREE\_ITEM\_GETTOOLTIP(id, func)}}{The opportunity to set the item tooltip
	44	is being given to the application (call wxTreeEvent::SetToolTip). Windows only.}
	45	\end{twocollist}
	46
	47	\wxheading{See also}
	48
	49	\helpref{wxTreeCtrl}{wxtreectrl}
	50
	51	\latexignore{\rtfignore{\wxheading{Members}}}
	52
	53	\membersection{wxTreeEvent::wxTreeEvent}\label{wxtreeeventctor}
	54
	55	\func{}{wxTreeEvent}{\param{WXTYPE }{commandType = 0}, \param{int }{id = 0}}
	56
	57	Constructor.
	58
	59	\membersection{wxTreeEvent::GetKeyCode}\label{wxtreeeventgetkeycode}
	60
	61	\constfunc{int}{GetKeyCode}{}
	62
	63	Returns the key code if the event was is a key event. Use
	64	\helpref{GetKeyEvent}{wxtreeeventgetkeyevent} to get the values of the
	65	modifier keys for this event (i.e. Shift or Ctrl).
	66
	67	\membersection{wxTreeEvent::GetItem}\label{wxtreeeventgetitem}
	68
	69	\constfunc{wxTreeItemId}{GetItem}{}
	70
	71	Returns the item (valid for all events).
	72
	73	\membersection{wxTreeEvent::GetKeyEvent}\label{wxtreeeventgetkeyevent}
	74
	75	\constfunc{const wxKeyEvent\&}{GetKeyEvent}{}
	76
	77	Returns the key event for {\tt EVT\_TREE\_KEY\_DOWN} events.
	78
	79	\membersection{wxTreeEvent::GetLabel}\label{wxtreeeventgetlabel}
	80
	81	\constfunc{const wxString\&}{GetLabel}{}
	82
	83	Returns the label if the event was a begin or end edit label event.
	84
	85	\membersection{wxTreeEvent::GetOldItem}\label{wxtreeeventgetolditem}
	86
	87	\constfunc{wxTreeItemId}{GetOldItem}{}
	88
	89	Returns the old item index (valid for EVT\_TREE\_ITEM\_CHANGING and CHANGED events)
	90
	91	\membersection{wxTreeEvent::GetPoint()}\label{wxtreeeventgetpoint}
	92
	93	\constfunc{wxPoint}{GetPoint}{}
	94
	95	Returns the position of the mouse pointer if the event is a drag event.
	96
	97	\membersection{wxTreeEvent::IsEditCancelled()}\label{wxtreeeventiseditcancelled}
	98
	99	\constfunc{bool}{IsEditCancelled}{}
	100
	101	Returns true if the label edit was cancelled. This should be
	102	called from within an EVT\_TREE\_END\_LABEL\_EDIT handler.
	103
	104	\membersection{wxTreeEvent::SetToolTip}\label{wxtreeeventsettooltip}
	105
	106	\func{void}{SetToolTip}{\param{const wxString\&}{ tooltip}}
	107
	108	Set the tooltip for the item (valid for EVT\_TREE\_ITEM\_GETTOOLTIP events).
	109	Windows only.
	110