static BindingMemberInfo() { BindingContextMember = new BindingMemberInfo(AttachedMemberConstants.DataContext, BindingMemberType.BindingContext); Empty = new BindingMemberInfo("Empty", BindingMemberType.Empty); EmptyHasSetter = new BindingMemberInfo("Empty", BindingMemberType.Empty, true); Unset = new BindingMemberInfo("Unset", BindingMemberType.Unset); MultiBindingSourceAccessorMember = new BindingMemberInfo(); }