wxFileDialog dlg(this, _T("Choose a sound file"),
wxEmptyString, wxEmptyString,
_T("WAV files (*.wav)|*.wav"), wxOPEN|wxCHANGE_DIR);
wxFileDialog dlg(this, _T("Choose a sound file"),
wxEmptyString, wxEmptyString,
_T("WAV files (*.wav)|*.wav"), wxOPEN|wxCHANGE_DIR);