Willie Bob's List: SharePoint

private void button1_Click(object sender, EventArgs e)
2: {
3: ClientContext context = new ClientContext("https://[sharepointserver]");
4: ServicePointManager.ServerCertificateValidationCallback = delegate(object sender1, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors)
5: {
6: bool validationResult = true;
7: return validationResult;
8: };
9: 
10: ServicePointManager.ServerCertificateValidationCallback += new RemoteCertificateValidationCallback(customXertificateValidation);
11: context.ExecutingWebRequest +=new EventHandler<WebRequestEventArgs>(context_ExecutingWebRequest);
12: 
13: Web web = context.Web;
14: context.Load(web, w => w.Title);
15: context.Credentials = CredentialCache.DefaultNetworkCredentials;
16: context.ExecuteQuery();
17: richTextBox1.Text = web.Title;
18: }
19: 
20: static void context_ExecutingWebRequest(object sender, WebRequestEventArgs e)
21: {
22: 
23: HttpWebRequest webReq = e.WebRequestExecutor.WebRequest;
24: //webReq.Proxy = new WebProxy("http://[ProxyAddress]"); //Specify a proxy address if you need to
25: X509Certificate cert = X509Certificate.CreateFromCertFile(@"d:\test.cer");
26: webReq.ClientCertificates.Add(cert);
27: }
28: 
29: private static bool customXertificateValidation(object sender, X509Certificate cert, X509Chain chain, System.Net.Security.SslPolicyErrors error)
30: {
31: return true;
32: }