added null pointer check and assert

[wxWidgets.git] / docs / latex / wx / dirdlg.tex

diff --git a/docs/latex/wx/dirdlg.tex b/docs/latex/wx/dirdlg.tex
index ec61a15c83ea94fceae8a818fae7c799814fe463..5059e39ec9e444825b093352c09eb8d935f07037 100644 (file)
--- a/docs/latex/wx/dirdlg.tex
+++ b/docs/latex/wx/dirdlg.tex
@@ -5,6 +5,7 @@ This class represents the directory chooser dialog.
 \wxheading{Derived from}
 
 \helpref{wxDialog}{wxdialog}\\
+\helpref{wxTopLevelWindow}{wxtoplevelwindow}\\
 \helpref{wxWindow}{wxwindow}\\
 \helpref{wxEvtHandler}{wxevthandler}\\
 \helpref{wxObject}{wxobject}
@@ -13,17 +14,20 @@ This class represents the directory chooser dialog.
 
 <wx/dirdlg.h>
 
+\wxheading{Library}
+
+\helpref{wxCore}{librarieslist}
+
 \wxheading{Window styles}
 
 \begin{twocollist}\itemsep=0pt
-\twocolitem{\windowstyle{wxDD\_DEFAULT\_STYLE}}{Equivalent to a combination of wxDEFAULT\_DIALOG\_STYLE, wxDD\_NEW\_DIR\_BUTTON and wxRESIZE\_BORDER (the last one is not used under wxWinCE).}
-\twocolitem{\windowstyle{wxDD\_NEW\_DIR\_BUTTON}}{Add "Create new
-directory" button and allow directory names to be editable.  On
-Windows the new directory button is only available with recent
-versions of the common dialogs.}
+\twocolitem{\windowstyle{wxDD\_DEFAULT\_STYLE}}{Equivalent to a combination of wxDEFAULT\_DIALOG\_STYLE and wxRESIZE\_BORDER (the last one is not used under wxWinCE).}
+\twocolitem{\windowstyle{wxDD\_DIR\_MUST\_EXIST}}{The dialog will allow the user to choose only an existing folder. When this style is not given, a "Create new directory" button is added to the dialog (on Windows) or some other way is provided to the user to type the name of a new folder.}
 \twocolitem{\windowstyle{wxDD\_CHANGE\_DIR}}{Change the current working directory to the directory chosen by the user.}
 \end{twocollist}
 
+{\bf NB:} on Windows the new directory button is only available with recent versions of the common dialogs.
+
 See also \helpref{Generic window styles}{windowstyles}.
 
 \wxheading{See also}