//--------------------------------------------------------------------------------------------------
public void RemoveDependent(IShapeDependent dependent)
{
var index = _Dependents.FindIndex(wr => wr.TryGetTarget(out var target) && ReferenceEquals(target, dependent));
if (index >= 0)
{
_Dependents.RemoveAt(index);
}
}
//--------------------------------------------------------------------------------------------------
void IShapeOperand.RemoveDependent(IShapeDependent dependent)
{
Body?.RemoveDependent(dependent);
}
//--------------------------------------------------------------------------------------------------
public void AddDependent(IShapeDependent dependent)
{
_Dependents.Add(new WeakReference <IShapeDependent>(dependent));
RaisePropertyChanged("Dependents");
}
//--------------------------------------------------------------------------------------------------
void IShapeOperand.AddDependent(IShapeDependent dependent)
{
Body?.AddDependent(dependent);
}
