CertificatePolicy を更新する

TrustAllCertificatePolicy.cs

public class TrustAllCertificatePolicy : System.Net.ICertificatePolicy
{
	public TrustAllCertificatePolicy() { }
	public bool CheckValidationResult(System.Net.ServicePoint sp,
		System.Security.Cryptography.X509Certificates.X509Certificate cert,
		System.Net.WebRequest req,
		int problem)
	{
		return true;
	}
}