+\wxheading{Parameters}
+
+{\it style} is combination of these flags:
+
+\begin{twocollist}\itemsep=0pt
+\twocolitem{\windowstyle{wxHF\_TOOLBAR}}{Help frame has toolbar.}
+\twocolitem{\windowstyle{wxHF\_FLAT\_TOOLBAR}}{Help frame has toolbar with flat buttons (aka coolbar).}
+\twocolitem{\windowstyle{wxHF\_CONTENTS}}{Help frame has contents panel.}
+\twocolitem{\windowstyle{wxHF\_INDEX}}{Help frame has index panel.}
+\twocolitem{\windowstyle{wxHF\_SEARCH}}{Help frame has search panel.}
+\twocolitem{\windowstyle{wxHF\_BOOKMARKS}}{Help frame has bookmarks controls.}
+\twocolitem{\windowstyle{wxHF\_OPEN\_FILES}}{Allow user to open arbitrary HTML document.}
+\twocolitem{\windowstyle{wxHF\_PRINT}}{Toolbar contains "print" button.}
+\twocolitem{\windowstyle{wxHF\_MERGE\_BOOKS}}{Contents pane does not show
+book nodes. All books are merged together and appear as single book to the
+user.}
+\twocolitem{\windowstyle{wxHF\_ICONS\_BOOK}}{All nodes in contents pane
+have a book icon. This is how Microsoft's HTML help viewer behaves.}
+\twocolitem{\windowstyle{wxHF\_ICONS\_FOLDER}}{Book nodes in contents pane have
+a book icon, book's sections have a folder icon. This is the default.}
+\twocolitem{\windowstyle{wxHF\_ICONS\_BOOK\_CHAPTER}}{Both book nodes and
+nodes of top-level sections of a book (i.e. chapters) have a book icon,
+all other sections (sections, subsections, ...) have a folder icon.}
+\twocolitem{\windowstyle{wxHF\_DEFAULT\_STYLE}}{{\tt wxHF\_TOOLBAR | wxHF\_CONTENTS
+| wxHF\_INDEX | wxHF\_SEARCH | wxHF\_BOOKMARKS | wxHF\_PRINT}}
+\end{twocollist}