_channel_checkbox[i]->SetForegroundColour(wxColour(_plot->colour(i)));
right->Add (_channel_checkbox[i], 0, wxEXPAND | wxALL, 3);
_channel_checkbox[i]->Bind (wxEVT_CHECKBOX, boost::bind (&AudioDialog::channel_clicked, this, _1));
_channel_checkbox[i]->SetForegroundColour(wxColour(_plot->colour(i)));
right->Add (_channel_checkbox[i], 0, wxEXPAND | wxALL, 3);
_channel_checkbox[i]->Bind (wxEVT_CHECKBOX, boost::bind (&AudioDialog::channel_clicked, this, _1));