CAPICOM.ChainClass ch = new ChainClass();
ch.Build(certificate);
Console.WriteLine("Status: {0}", ch.Status.ToString());
//Status: 0

CAPICOM.ChainClass ch = new ChainClass();
ch.Build(certificate);
PKIValidatorLib.PrivateKeyUsageValidatorClass validator = new PKIValidatorLib.PrivateKeyUsageValidatorClass();
bool isChainValid;
isChainValid = validator.IsChainValid(ch);
Console.WriteLine("IsChainValid: {0}", isChainValid.ToString());
//IsChainValid: True

X509Chain ch = new X509Chain(); 
ch.ChainPolicy.RevocationMode = X509RevocationMode.Online;
ch.Build(certificate);
Console.WriteLine("Chain status length: {0}", ch.ChainStatus.Length);
foreach (X509ChainElement element in ch.ChainElements)
{
            Console.WriteLine("Element certificate is valid: {0}", element.Certificate.Verify());
}
//Chain status length: 0
//Element certificate is valid: True
//Element certificate is valid: True