const wxString& strFilename = wxFileSelector (wxString("Export Filename"), wxString(""),
wxString(""), strExt, strWildcard, wxOVERWRITE_PROMPT | wxHIDE_READONLY | wxSAVE);
const wxString& strFilename = wxFileSelector (wxString("Export Filename"), wxString(""),
wxString(""), strExt, strWildcard, wxOVERWRITE_PROMPT | wxHIDE_READONLY | wxSAVE);