_channel_checkbox[i] = new wxCheckBox (this, wxID_ANY, std_to_wx (audio_channel_name (i)));
side->Add (_channel_checkbox[i], 1, wxEXPAND | wxALL, 3);
_channel_checkbox[i]->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AudioDialog::channel_clicked, this, _1));
_channel_checkbox[i] = new wxCheckBox (this, wxID_ANY, std_to_wx (audio_channel_name (i)));
side->Add (_channel_checkbox[i], 1, wxEXPAND | wxALL, 3);
_channel_checkbox[i]->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AudioDialog::channel_clicked, this, _1));