Deletes the specified item. A {\tt EVT\_TREE\_DELETE\_ITEM} event will be
generated.
+This function may cause a subsequent call to GetNextChild to fail.
+
\membersection{wxTreeCtrl::DeleteAllItems}\label{wxtreectrldeleteallitems}
\func{void}{DeleteAllItems}{\void}
this will {\bf not} generate any events unlike
\helpref{Delete}{wxtreectrldelete} method.
+If you have called \helpref{wxTreeCtrl::SetItemHasChildren}{wxtreectrlsetitemhaschildren}, you
+may need to call it again since {\it DeleteChildren} does not automatically
+clear the setting.
+
\membersection{wxTreeCtrl::EditLabel}\label{wxtreectrleditlabel}
\func{void}{EditLabel}{\param{const wxTreeItemId\&}{ item}}
\func{void}{EndEditLabel}{\param{bool }{cancelEdit}}
-Ends label editing. If {\it cancelEdit} is {\tt TRUE}, the edit will be cancelled.
+Ends label editing. If {\it cancelEdit} is {\tt true}, the edit will be cancelled.
This function is currently supported under Windows only.
\membersection{wxTreeCtrl::GetBoundingRect}\label{wxtreectrlgetitemrect}
-\constfunc{bool}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = {\tt FALSE}}}
+\constfunc{bool}{GetBoundingRect}{\param{const wxTreeItemId\&}{ item}, \param{wxRect\& }{rect}, \param{bool }{textOnly = {\tt false}}}
-Retrieves the rectangle bounding the {\it item}. If {\it textOnly} is {\tt TRUE},
+Retrieves the rectangle bounding the {\it item}. If {\it textOnly} is {\tt true},
only the rectangle around the item's label will be returned, otherwise the
item's image is also taken into account.
-The return value is {\tt TRUE} if the rectangle was successfully retrieved or {\tt FALSE}
+The return value is {\tt true} if the rectangle was successfully retrieved or {\tt false}
if it was not (in this case {\it rect} is not changed) - for example, if the
item is currently invisible.
\membersection{wxTreeCtrl::GetChildrenCount}\label{wxtreectrlgetchildrencount}
-\constfunc{size\_t}{GetChildrenCount}{\param{const wxTreeItemId\&}{ item}, \param{bool}{ recursively = {\tt TRUE}}}
+\constfunc{size\_t}{GetChildrenCount}{\param{const wxTreeItemId\&}{ item}, \param{bool}{ recursively = {\tt true}}}
-Returns the number of items in the branch. If {\it recursively} is {\tt TRUE}, returns the total number
+Returns the number of items in the branch. If {\it recursively} is {\tt true}, returns the total number
of descendants, otherwise only one level of children is counted.
\membersection{wxTreeCtrl::GetCount}\label{wxtreectrlgetcount}
\param{int}{ image = -1}, \param{int}{ selImage = -1}, \param{wxTreeItemData*}{ data = {\tt NULL}}}
Inserts an item after a given one ({\it previous}) or before one identified by its position ({\it before}).
+{\it before} must be less than the number of children.
The {\it image} and {\it selImage} parameters are an index within
the normal image list specifying the image to use for unselected and
\constfunc{bool}{IsBold}{\param{const wxTreeItemId\& }{item}}
-Returns {\tt TRUE} if the given item is in bold state.
+Returns {\tt true} if the given item is in bold state.
See also: \helpref{SetItemBold}{wxtreectrlsetitembold}
\constfunc{bool}{IsExpanded}{\param{const wxTreeItemId\&}{ item}}
-Returns {\tt TRUE} if the item is expanded (only makes sense if it has children).
+Returns {\tt true} if the item is expanded (only makes sense if it has children).
\membersection{wxTreeCtrl::IsSelected}\label{wxtreectrlisselected}
\constfunc{bool}{IsSelected}{\param{const wxTreeItemId\&}{ item}}
-Returns {\tt TRUE} if the item is selected.
+Returns {\tt true} if the item is selected.
\membersection{wxTreeCtrl::IsVisible}\label{wxtreectrlisvisible}
\constfunc{bool}{IsVisible}{\param{const wxTreeItemId\&}{ item}}
-Returns {\tt TRUE} if the item is visible (it might be outside the view, or not expanded).
+Returns {\tt true} if the item is visible (it might be outside the view, or not expanded).
\membersection{wxTreeCtrl::ItemHasChildren}\label{wxtreectrlitemhaschildren}
\constfunc{bool}{ItemHasChildren}{\param{const wxTreeItemId\&}{ item}}
-Returns {\tt TRUE} if the item has children.
+Returns {\tt true} if the item has children.
\membersection{wxTreeCtrl::OnCompareItems}\label{wxtreectrloncompareitems}
\membersection{wxTreeCtrl::SetItemBold}\label{wxtreectrlsetitembold}
-\func{void}{SetItemBold}{\param{const wxTreeItemId\& }{item}, \param{bool}{ bold = {\tt TRUE}}}
+\func{void}{SetItemBold}{\param{const wxTreeItemId\& }{item}, \param{bool}{ bold = {\tt true}}}
-Makes item appear in bold font if {\it bold} parameter is {\tt TRUE} or resets it to
+Makes item appear in bold font if {\it bold} parameter is {\tt true} or resets it to
the normal state.
See also: \helpref{IsBold}{wxtreectrlisbold}
\membersection{wxTreeCtrl::SetItemHasChildren}\label{wxtreectrlsetitemhaschildren}
-\func{void}{SetItemHasChildren}{\param{const wxTreeItemId\&}{ item}, \param{bool }{hasChildren = {\tt TRUE}}}
+\func{void}{SetItemHasChildren}{\param{const wxTreeItemId\&}{ item}, \param{bool }{hasChildren = {\tt true}}}
Force appearance of the button next to the item. This is useful to
allow the user to expand the items which don't have any children now,
Sorts the children of the given item using
\helpref{OnCompareItems}{wxtreectrloncompareitems} method of wxTreeCtrl. You
should override that method to change the sort order (the default is ascending
-alphabetical order).
+case-sensitive alphabetical order).
\wxheading{See also}