public override object GetValueCore(DependencyObject d, DependencyProperty dp)
{
if (Root._TemplatedParent == null)
throw new NotSupportedException("Template content not apply to any element.");
FrameworkElement element = Root._TemplatedParent;
if (Property == null)
return element;
if (Property.Contains("."))
{
string[] dop = Property.Split('.');
if (dop.Length != 2)
throw new ArgumentException("Property invalid.");
Type ownerType = Type.GetType(dop[0]);
if (ownerType == null)
return null;
DependencyProperty property = DependencyProperty.FromName(dop[1], ownerType);
return element.GetValue(property);
}
else
{
var propertyInfo = element.GetType().GetProperty(Property);
if (propertyInfo == null)
return null;
DependencyProperty property = DependencyProperty.FromName(Property, propertyInfo.DeclaringType);
return element.GetValue(property);
}
}
public virtual object GetValue(DependencyObject d, DependencyProperty dp)
{
return dp.DefaultMetadata.DefaultValue;
}
protected internal override BindingExpressionBase GetExpression(DependencyObject d, DependencyProperty dp, IServiceProvider serviceProvider)
{
IRootObjectProvider rootProvider = (IRootObjectProvider)serviceProvider.GetService(typeof(IRootObjectProvider));
FrameworkElement root = rootProvider.RootObject as FrameworkElement;
return new TemplateBindingExpression(root) { Property = Property };
}
