private InstanceMemberBinding(Binding <TObject> obj, string name, Func <TObject, TResult> accessor, BindingMode mode)
{
_mode = mode;
_object = obj;
_name = name;
_accessor = accessor;
_object.ResultChanged += OnObjectResultChanged;
OnObjectResultChanged(_object, BindingResultChange.Create(None <TObject>(), _object.Result));
}
protected void OnResultChanged(BindingResult<TResult> newResult)
{
var oldResult = Result;
Result = newResult;
ResultChanged?.Invoke(this, BindingResultChange.Create(oldResult, newResult));
}