// resumes the graph
private void _resume() {
if (_timer == null) {
_timer = new GuiTimer();
_timer.Repeat(Interval, t => {
RaiseEvent(new RoutedEventArgs(Seismograph.TickEvent));
for (var i = 0; i < Count; i++) {
_drawNext(_polylines[i], _generators[i]);
}
});
}
}
