void OnVisualsChanged(object sender, VisualChangeEventArgs e)
{
if (_animateStatus)
{
StatusText.Text = string.Format(CultureInfo.InvariantCulture, "{0} live visuals of {1} total", grid.LiveVisualCount, _totalVisuals);
int tick = Environment.TickCount;
if (e.Added != 0 || e.Removed != 0)
{
addedPerSecond += e.Added;
removedPerSecond += e.Removed;
if (tick > lastTick + 100)
{
Created.BeginAnimation(Rectangle.WidthProperty, new DoubleAnimation(
Math.Min(addedPerSecond, 450),
new Duration(TimeSpan.FromMilliseconds(100))));
CreatedLabel.Text = addedPerSecond.ToString(CultureInfo.InvariantCulture) + " created";
addedPerSecond = 0;
Destroyed.BeginAnimation(Rectangle.WidthProperty, new DoubleAnimation(
Math.Min(removedPerSecond, 450),
new Duration(TimeSpan.FromMilliseconds(100))));
DestroyedLabel.Text = removedPerSecond.ToString(CultureInfo.InvariantCulture) + " disposed";
removedPerSecond = 0;
}
}
if (tick > lastTick + 1000)
{
lastTick = tick;
}
}
}
void OnAnimateStatus(object sender, RoutedEventArgs e)
{
MenuItem item = (MenuItem)sender;
_animateStatus = item.IsChecked = !item.IsChecked;
StatusText.Text = "";
Created.BeginAnimation(Rectangle.WidthProperty, null);
Created.Width = 0;
CreatedLabel.Text = "";
Destroyed.BeginAnimation(Rectangle.WidthProperty, null);
Destroyed.Width = 0;
DestroyedLabel.Text = "";
}