\twocolitem{\helpref{wxBitmapButton}{wxbitmapbutton}}{Push button control, displaying a bitmap}
\twocolitem{\helpref{wxBitmapComboBox}{wxbitmapcombobox}}{A combobox with bitmaps next to text items}
\twocolitem{\helpref{wxToggleButton}{wxtogglebutton}}{A button which stays pressed when clicked by user.}
+\twocolitem{\helpref{wxBitmapToggleButton}{wxbitmaptogglebutton}}{A toggle button with bitmaps.}
\twocolitem{\helpref{wxCalendarCtrl}{wxcalendarctrl}}{Control showing an entire calendar month}
\twocolitem{\helpref{wxCheckBox}{wxcheckbox}}{Checkbox control}
\twocolitem{\helpref{wxCheckListBox}{wxchecklistbox}}{A listbox with a checkbox to the left of each item}
\twocolitem{\helpref{wxGridBagSizer}{wxgridbagsizer}}{Another grid sizer that lets you specify the cell an item is in, and items can span rows and/or columns.}
\twocolitem{\helpref{wxBoxSizer}{wxboxsizer}}{A sizer for laying out windows in a row or column}
\twocolitem{\helpref{wxStaticBoxSizer}{wxstaticboxsizer}}{Same as wxBoxSizer, but with a surrounding static box}
+\twocolitem{\helpref{wxWrapSizer}{wxwrapsizer}}{A sizer which wraps its child controls as size permits}
\end{twocollist}
\overview{Constraints overview}{constraintsoverview} describes constraints-based layout.