/// <summary>
/// Handles changes to the TickCount property.
/// </summary>
/// <param name="d">SprocketControl</param>
/// <param name="e">DependencyProperty changed event arguments</param>
private static void OnTickCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SprocketControl sprocket = (SprocketControl)d;
int oldTickCount = (int)e.OldValue;
int newTickCount = sprocket.TickCount;
sprocket.OnTickCountChanged(oldTickCount, newTickCount);
}
