public override bool CanMove(IMotionInfo info, object context)
{
var element = Controller.Element;
var value = MouseWheel.GetValue(element);
return(info.Direction <0 ? value> _minimum : value < _maximum);
}
public override double Coerce(IMotionInfo info, object context, double delta)
{
var element = Controller.Element;
var value = MouseWheel.GetValue(element);
int direction = info.Direction;
if (direction > 0)
{
var movableDelta = _maximum - value;
return(Math.Min(movableDelta, delta));
}
else
{
var movableDelta = _minimum - value;
return(Math.Max(movableDelta, delta));
}
}
public override void Move(IMotionInfo info, object context, double delta)
{
var element = Controller.Element;
MouseWheel.SetValue(element, MouseWheel.GetValue(element) + delta);
}