-\twocolwidtha{5cm}
-\begin{twocollist}
-\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.}
+\begin{twocollist}\itemsep=0pt
+\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.}