#include <ctype.h>
// in case we're compiling in non-GUI mode
-class WXDLLEXPORT wxIcon;
+class WXDLLIMPEXP_FWD_CORE wxIcon;
// These classes use Windows registry to retrieve the required information.
//
// get the command to use
// ----------------------------------------------------------------------------
-wxString wxFileTypeImpl::GetCommand(const wxChar *verb) const
+wxString wxFileTypeImpl::GetCommand(const wxString& verb) const
{
// suppress possible error messages
wxLogNull nolog;