+{\large {\bf Drag and drop and clipboard classes}}
+
+\overview{Drag and drop and clipboard overview}{wxdndoverview}
+
+\begin{twocollist}\itemsep=0pt
+\twocolitem{\helpref{wxDropTarget}{wxdroptarget}}{Drop target class}
+\twocolitem{\helpref{wxFileDropTarget}{wxfiledroptarget}}{File drop target class}
+\twocolitem{\helpref{wxTextDropTarget}{wxtextdroptarget}}{Text drop target class}
+\twocolitem{\helpref{wxDropSource}{wxdropsource}}{Drop source class}
+\twocolitem{\helpref{wxDataObject}{wxdataobject}}{Data object class}
+\twocolitem{\helpref{wxTextDataObject}{wxtextdataobject}}{Text data object class}
+\twocolitem{\helpref{wxFileDataObject}{wxtextdataobject}}{File data object class}
+\twocolitem{\helpref{wxBitmapDataObject}{wxbitmapdataobject}}{Bitmap data object class}
+\twocolitem{\helpref{wxClipboard}{wxclipboard}}{Clipboard class}
+\end{twocollist}
+
+{\large {\bf File related classes}}
+
+wxWindows has several small classes to work with disk files, see \helpref{file classes
+overview}{wxfileoverview} for more details.
+
+\begin{twocollist}\itemsep=0pt
+\twocolitem{\helpref{wxFile}{wxfile}}{Low-level file input/output}
+\twocolitem{\helpref{wxTempFile}{wxtempfile}}{Class to safely replace an existing file}
+\twocolitem{\helpref{wxTextFile}{wxtextfile}}{Class for working with text files as with arrays of lines}
+\end{twocollist}
+