\twocolitem{\helpref{wxComboBox}{wxcombobox}}{A choice with an editable area}
\twocolitem{\helpref{wxGauge}{wxgauge}}{A control to represent a varying quantity, such as time remaining}
\twocolitem{\helpref{wxGenericDirCtrl}{wxgenericdirctrl}}{A control for displaying a directory tree}
+\twocolitem{\helpref{wxHtmlListBox}{wxhtmllistbox}}{A listbox showing HTML content}
\twocolitem{\helpref{wxStaticBox}{wxstaticbox}}{A static, or group box for visually grouping related controls}
\twocolitem{\helpref{wxListBox}{wxlistbox}}{A list of strings for single or multiple selection}
\twocolitem{\helpref{wxListCtrl}{wxlistctrl}}{A control for displaying lists of strings and/or icons, plus a multicolumn report view}
\twocolitem{\helpref{wxRadioBox}{wxradiobox}}{A group of radio buttons}
\twocolitem{\helpref{wxRadioButton}{wxradiobutton}}{A round button to be used with others in a mutually exclusive way}
\twocolitem{\helpref{wxSlider}{wxslider}}{A slider that can be dragged by the user}
+\twocolitem{\helpref{wxVListBox}{wxvlistbox}}{A listbox supporting variable height rows}
\end{twocollist}
{\large {\bf Menus}}
\twocolwidtha{6cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxThread}{wxthread}}{Thread class}
+\twocolitem{\helpref{wxThreadHelper}{wxthreadhelper}}{Manages background threads easily}
\twocolitem{\helpref{wxMutex}{wxmutex}}{Mutex class}
\twocolitem{\helpref{wxMutexLocker}{wxmutexlocker}}{Mutex locker utility class}
\twocolitem{\helpref{wxCriticalSection}{wxcriticalsection}}{Critical section class}