private void OnDraw(object sender, DrawEventArgs e)
{
try
{
if (!_exception)
{
_game.Tick(e.DeltaTime, e.TotalTime);
e.InvalidateSurface();
}
}
catch (Exception ex)
{
if (!_exception)
{
_exception = true;
Dispatcher.BeginInvoke(() =>
{
throw new EngineException(ex);
});
}
}
}