private static void ThirdPartyInitiatedLoginCallback(IHttpContext context) { result = context.Request.Uri.Query; OIDCAuthorizationRequestMessage requestMessage = new OIDCAuthorizationRequestMessage(); requestMessage.DeserializeFromQueryString(request); OpenIdRelyingParty rp = new OpenIdRelyingParty(); rp.ThirdPartyInitiatedLogin(requestMessage, param); }