/// <summary>
/// Handles changes to the TickColor property.
/// </summary>
/// <param name="d">SprocketControl</param>
/// <param name="e">DependencyProperty changed event arguments</param>
private static void OnTickColorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SprocketControl sprocket = (SprocketControl)d;
Color oldTickColor = (Color)e.OldValue;
Color newTickColor = sprocket.TickColor;
sprocket.OnTickColorChanged(oldTickColor, newTickColor);
}
