public static NameValueCollection GetQueryStringParameters()
        {
            NameValueCollection nameValueTable = new NameValueCollection();

            if (ApplicationDeployment.IsNetworkDeployed)    //判断是否是ClickOnce程序
            {
                string queryString = ApplicationDeployment.CurrentDeployment.ActivationUri.Query;
                nameValueTable = HttpUtility.ParseQueryString(queryString);    //Parses a query string into a NameValueCollection using UTF8 encoding
            }

            return (nameValueTable);
        }

NameValueCollection nameValueCollection = GetQueryStringParameters();

            String strIP = nameValueCollection.Get("IP");
            String strPort = nameValueCollection.Get("Port");
            String strVirtualDirectory = nameValueCollection.Get("VirtualDirectory");
            if (strVirtualDirectory == null)
                strVirtualDirectory = string.Empty;
            String  strAccessKey = nameValueCollection.Get("AccessKey");
            String strName = nameValueCollection.Get("currentUserName"));