to document that no buttons are to be drawn.}
\twocolitem{\windowstyle{wxTR\_HAS\_BUTTONS}}{Use this style
to show + and - buttons to the left of parent items.}
-\twocolitem{\windowstyle{wxTR\_TWIST\_BUTTONS}}{Use this style
-to show Mac-style twister buttons to the left of parent items.
-If both wxTR\_HAS\_BUTTONS and wxTR\_TWIST\_BUTTONS are given,
-twister buttons are generated. Generic only.}
\twocolitem{\windowstyle{wxTR\_NO\_LINES}}{Use this style
to hide vertical level connectors.}
\twocolitem{\windowstyle{wxTR\_FULL\_ROW\_HIGHLIGHT}}{Use this style to have the background