Microsoft.VisualStudio.Project.NestedProjectNode.SetDocCookieOnNestedHier C# (CSharp) Method

        protected virtual void SetDocCookieOnNestedHier(uint itemDocCookie)
        {
            object docCookie = (int)itemDocCookie;

            try
            {
                ErrorHandler.ThrowOnFailure(this.nestedHierarchy.SetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ItemDocCookie, docCookie));
            }
            catch (NotImplementedException)
            {
                //we swallow this exception on purpose
            }
        }