\twocolitem{\helpref{wxColourDialog}{wxcolourdialog}}{Colour chooser dialog}
\twocolitem{\helpref{wxDirDialog}{wxdirdialog}}{Directory selector dialog}
\twocolitem{\helpref{wxFileDialog}{wxfiledialog}}{File selector dialog}
+\twocolitem{\helpref{wxFindReplaceDialog}{wxfindreplacedialog}}{Text search/replace dialog}
\twocolitem{\helpref{wxMultipleChoiceDialog}{wxmultiplechoicedialog}}{Dialog to get one or more selections from a list}
\twocolitem{\helpref{wxSingleChoiceDialog}{wxsinglechoicedialog}}{Dialog to get a single selection from a list and return the string}
\twocolitem{\helpref{wxTextEntryDialog}{wxtextentrydialog}}{Dialog to get a single line of text from the user}
\twocolitem{\helpref{wxControl}{wxcontrol}}{The base class for controls}
\twocolitem{\helpref{wxButton}{wxbutton}}{Push button control, displaying text}
\twocolitem{\helpref{wxBitmapButton}{wxbitmapbutton}}{Push button control, displaying a bitmap}
+\twocolitem{\helpref{wxToggleButton}{wxtogglebutton}}{A button which stays pressed when clicked by user.}
\twocolitem{\helpref{wxCalendarCtrl}{wxcalendarctrl}}{Date picker control}
\twocolitem{\helpref{wxCheckBox}{wxcheckbox}}{Checkbox control}
\twocolitem{\helpref{wxCheckListBox}{wxchecklistbox}}{A listbox with a checkbox to the left of each item}
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxColour}{wxcolour}}{Represents the red, blue and green elements of a colour}
+\twocolitem{\helpref{wxDCClipper}{wxdcclipper}}{Wraps the operations of setting and destroying the clipping region}
\twocolitem{\helpref{wxBitmap}{wxbitmap}}{Represents a bitmap}
\twocolitem{\helpref{wxBrush}{wxbrush}}{Used for filling areas on a device context}
\twocolitem{\helpref{wxBrushList}{wxbrushlist}}{The list of previously-created brushes}
\twocolitem{\helpref{wxDropFilesEvent}{wxdropfilesevent}}{A drop files event}
\twocolitem{\helpref{wxEraseEvent}{wxeraseevent}}{An erase background event}
\twocolitem{\helpref{wxEvent}{wxevent}}{The event base class}
+\twocolitem{\helpref{wxFindDialogEvent}{wxfinddialogevent}}{Event sent by
+\helpref{wxFindReplaceDialog}{wxfindreplacedialog}}
\twocolitem{\helpref{wxFocusEvent}{wxfocusevent}}{A window focus event}
\twocolitem{\helpref{wxKeyEvent}{wxkeyevent}}{A keypress event}
\twocolitem{\helpref{wxIconizeEvent}{wxiconizeevent}}{An iconize/restore event}
\twocolitem{\helpref{wxPathList}{wxpathlist}}{A class to help search multiple paths}
\twocolitem{\helpref{wxPoint}{wxpoint}}{Representation of a point}
\twocolitem{\helpref{wxRect}{wxrect}}{A class representing a rectangle}
+\twocolitem{\helpref{wxRegEx}{wxregex}}{Regular expression support}
\twocolitem{\helpref{wxRegion}{wxregion}}{A class representing a region}
\twocolitem{\helpref{wxString}{wxstring}}{A string class}
\twocolitem{\helpref{wxStringList}{wxstringlist}}{A class representing a list of strings}
{\large {\bf Debugging features}}
+\overview{Overview}{wxlogoverview}
+
+wxWindows provides several classes and functions for the message logging.
+Please see the \helpref{wxLog overview}{wxlogoverview} for more details.
+
+\begin{twocollist}\itemsep=0pt
+\twocolitem{\helpref{wxLog}{wxlog}}{The base log class}
+\twocolitem{\helpref{wxLogStderr}{wxlogstderr}}{Log messages to a C STDIO stream}
+\twocolitem{\helpref{wxLogStream}{wxlogstream}}{Log messages to a C++ iostream}
+\twocolitem{\helpref{wxLogTextCtrl}{wxlogtextctrl}}{Log messages to a \helpref{wxTextCtrl}{wxtextctrl}}
+\twocolitem{\helpref{wxLogWindow}{wxlogwindow}}{Log messages to a log frame}
+\twocolitem{\helpref{wxLogGui}{wxloggui}}{Default log target for GUI programs}
+\twocolitem{\helpref{wxLogNull}{wxlognull}}{Temporarily suppress message logging}
+\twocolitem{\helpref{wxLogChain}{wxlogchain}}{Allows to chain two log targets}
+\twocolitem{\helpref{wxLogPassThrough}{wxlogpassthrough}}{Allows to filter the log messages}
+\twocolitem{\helpref{wxStreamToTextRedirector}{wxstreamtotextredirector}}{Allows
+to redirect output sent to {\tt cout} to a \helpref{wxTextCtrl}{wxtextctrl}}
+\twocolitem{\helpref{Log functions}{logfunctions}}{Error and warning logging functions}
+\end{twocollist}
+
+{\large {\bf Debugging features}}
+
\overview{Overview}{debuggingoverview}
wxWindows supports some aspects of debugging an application through
\begin{twocollist}\itemsep=0pt
\twocolitem{\helpref{wxDebugContext}{wxdebugcontext}}{Provides memory-checking facilities}
%\twocolitem{\helpref{wxDebugStreamBuf}{wxdebugstreambuf}}{A stream buffer writing to the debug stream}
-\twocolitem{\helpref{wxLog}{wxlog}}{Logging facility}
-\twocolitem{\helpref{Log functions}{logfunctions}}{Error and warning logging functions}
\twocolitem{\helpref{Debugging macros}{debugmacros}}{Debug macros for assertion and checking}
-%\twocolitem{\helpref{wxTrace}{wxtrace}}{Tracing facility}
-%\twocolitem{\helpref{wxTraceLevel}{wxtracelevel}}{Tracing facility with levels}
\twocolitem{\helpref{WXDEBUG\_NEW}{debugnew}}{Use this macro to give further debugging information}
%\twocolitem{\helpref{WXTRACE}{trace}}{Trace macro}
%\twocolitem{\helpref{WXTRACELEVEL}{tracelevel}}{Trace macro with levels}
overview}{wxfileoverview} for more details.
\begin{twocollist}\itemsep=0pt
+\twocolitem{\helpref{wxFileName}{wxfilename}}{Operations with the file name and attributes}
\twocolitem{\helpref{wxDir}{wxdir}}{Class for enumerating files/subdirectories.}
\twocolitem{\helpref{wxDirTraverser}{wxdirtraverser}}{Class used together with wxDir for recursively enumerating the files/subdirectories}
\twocolitem{\helpref{wxFile}{wxfile}}{Low-level file input/output class.}
\twocolitem{\helpref{wxTimer}{wxtimer}}{Timer class}
\twocolitem{\helpref{wxStopWatch}{wxstopwatch}}{Stop watch class}
\twocolitem{\helpref{wxMimeTypesManager}{wxmimetypesmanager}}{MIME-types manager class}
-\twocolitem{\helpref{wxSystemSettings}{wxsystemsettings}}{System settings class}
+\twocolitem{\helpref{wxSystemSettings}{wxsystemsettings}}{System settings class for obtaining various global parameters}
+\twocolitem{\helpref{wxSystemOptions}{wxsystemoptions}}{System options class for run-time configuration}
\twocolitem{\helpref{wxAcceleratorTable}{wxacceleratortable}}{Accelerator table}
\twocolitem{\helpref{wxAutomationObject}{wxautomationobject}}{OLE automation class}
\twocolitem{\helpref{wxFontMapper}{wxfontmapper}}{Font mapping, finding suitable font for given encoding}
\twocolitem{\helpref{wxEncodingConverter}{wxencodingconverter}}{Encoding conversions}
\twocolitem{\helpref{wxCalendarDateAttr}{wxcalendardateattr}}{Used with \helpref{wxCalendarCtrl}{wxcalendarctrl}}
\twocolitem{\helpref{wxQuantize}{wxquantize}}{Class to perform quantization, or colour reduction}
+\twocolitem{\helpref{wxSingleInstanceChecker}{wxsingleinstancechecker}}{Check that only single program instance is running}
\end{twocollist}