Added ability to call wxWindow::OnPaint under Windows (experimental).

Added wxTR_NO_LINES to remove lines from tree control (MSW only).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7925 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/treectrl.tex

@@ -22,6 +22,10 @@ To intercept events from a tree control, use the event table macros described in
 \begin{twocollist}\itemsep=0pt
 \twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style to show + and - buttons to the
 left of parent items. Win32 only. }
+\twocolitem{\windowstyle{wxTR\_NO\_LINES}}{Use this style to hide vertical lines.
+Win32 only. }
+\twocolitem{\windowstyle{wxTR\_LINES\_AT\_ROOT}}{Use this style to show lines at the
+tree root. Win32 only.}
 \twocolitem{\windowstyle{wxTR\_EDIT\_LABELS}}{Use this style if you wish the user to be
 able to edit labels in the tree control.}
 \twocolitem{\windowstyle{wxTR\_MULTIPLE}}{Use this style to allow the user to