// extra text may be shown by Usage() method if set by this function
void SetLogo(const wxString& logo);
// extra text may be shown by Usage() method if set by this function
void SetLogo(const wxString& logo);
// the value in the provided pointer
bool Found(const wxString& name, long *value) const;
// the value in the provided pointer
bool Found(const wxString& name, long *value) const;
// returns TRUE if an option taking a date value was found and stores the
// value in the provided pointer
bool Found(const wxString& name, wxDateTime *value) const;
// returns TRUE if an option taking a date value was found and stores the
// value in the provided pointer
bool Found(const wxString& name, wxDateTime *value) const;