Exemplo n.º 1
0
        internal override object RawValue()
        {
            object rawValue = PW.RawValue();

            SetStatus(PW.Status);

            return(rawValue);
        }
Exemplo n.º 2
0
        void ReplaceDependencySources()
        {
            if (!ParentBindingExpression.IsDetaching)
            {
                int size = PW.Length;
                if (PW.NeedsDirectNotification)
                {
                    ++size;
                }

                WeakDependencySource[] newSources = new WeakDependencySource[size];
                int n = 0;

                if (IsDynamic)
                {
                    for (int k = 0; k < PW.Length; ++k)
                    {
                        DependencyProperty dp = PW.GetAccessor(k) as DependencyProperty;
                        if (dp != null)
                        {
                            DependencyObject d = PW.GetItem(k) as DependencyObject;
                            if (d != null)
                            {
                                newSources[n++] = new WeakDependencySource(d, dp);
                            }
                        }
                    }

                    if (PW.NeedsDirectNotification)
                    {
                        // subproperty notifications can only arise from Freezables
                        // (as of today - 11/14/08), so we only need to propagate
                        // them when the raw value is a Freezable.
                        DependencyObject d = PW.RawValue() as Freezable;
                        if (d != null)
                        {
                            newSources[n++] = new WeakDependencySource(d, DependencyObject.DirectDependencyProperty);
                        }
                    }
                }

                ParentBindingExpression.ChangeWorkerSources(newSources, n);
            }
        }