System.Net.Cookie.ToString C# (CSharp) Method

        public override string ToString()
        {
            StringBuilder sb = StringBuilderCache.Acquire();
            ToString(sb);
            return StringBuilderCache.GetStringAndRelease(sb);
        }

        /// <summary>Gets the HTTP cookie header that contains the HTTP cookies that represent the <see cref="T:System.Net.Cookie" /> instances that are associated with a specific URI.</summary>
        /// <returns>An HTTP cookie header, with strings representing <see cref="T:System.Net.Cookie" /> instances delimited by semicolons.</returns>
        /// <param name="uri">The URI of the <see cref="T:System.Net.Cookie" /> instances desired. </param>
        /// <exception cref="T:System.ArgumentNullException">
        ///   <paramref name="uri" /> is null. </exception>
        /// <PermissionSet>
        ///   <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
        /// </PermissionSet>
        public string GetCookieHeader(System.Uri uri)
        {
            if (uri == null)
            {
                throw new ArgumentNullException("uri");
            }
            CookieCollection cookieCollection = this.GetCookies(uri);

            if (cookieCollection.Count == 0)
            {
                return(string.Empty);
            }
            StringBuilder stringBuilder = new StringBuilder();

            foreach (object obj in cookieCollection)
            {
                Cookie cookie = (Cookie)obj;
                stringBuilder.Append(cookie.ToString(uri));
                stringBuilder.Append("; ");
            }
            if (stringBuilder.Length > 0)
            {
                stringBuilder.Length -= 2;
            }
            return(stringBuilder.ToString());
        }