private static object CoerceKnobValue(DependencyObject d, object baseValue)
{
KnobControl v = (KnobControl)d;
double x = (double)baseValue;
x = x < v.Minimum ? v.Minimum : x;
x = x > v.Maximum ? v.Maximum : x;
return(x);
}
private static void OnKnobValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
KnobControl v = (KnobControl)d;
d.CoerceValue(ValueProperty);
}