public static void SetOriginalFromFinalIfLessEqual(IProperty listener, IProperty @object)
{
@object.AddInvalidationListener(() =>
{
int finalValue = @object.FinalValue;
if (listener.FinalValue <= finalValue)
listener.OriginalValue = finalValue;
});
}
public static void SetRestrictor(this IProperty child, int min, IProperty max)
{
child.Restrictor = val =>
{
if (val < min)
return min;
int finalValue = max.FinalValue;
if (val > finalValue)
return finalValue;
return val;
};
EventListener el_invalid = () => child.Invalidate();
EventListener el_remove = null;
el_remove = () =>
{
max.RemoveInvalidationListener(el_invalid);
child.RestrictorChangedListener -= el_remove;
};
child.RestrictorChangedListener += el_remove;
max.AddInvalidationListener(el_invalid);
}
public static void SetOriginalFromFinal(IProperty listener, IProperty @object)
{
@object.AddInvalidationListener(() => listener.OriginalValue = @object.FinalValue);
}
