GValue gvalue = { 0, };
g_value_init( &gvalue, G_TYPE_BOOLEAN );
g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );
GValue gvalue = { 0, };
g_value_init( &gvalue, G_TYPE_BOOLEAN );
g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );