/// <summary>
/// Handles changes to the AlphaTicksPercentage property.
/// </summary>
private static void OnAlphaTicksPercentageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
SprocketControl sprocket = (SprocketControl)d;
double oldAlphaTicksPercentage = (double)e.OldValue;
double newAlphaTicksPercentage = sprocket.AlphaTicksPercentage;
sprocket.OnAlphaTicksPercentageChanged(oldAlphaTicksPercentage, newAlphaTicksPercentage);
}
