_filters_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&VideoPanel::edit_filters_clicked, this));
_colour_conversion_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&VideoPanel::edit_colour_conversion_clicked, this));
_filters_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&VideoPanel::edit_filters_clicked, this));
_colour_conversion_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&VideoPanel::edit_colour_conversion_clicked, this));