CS8602 Dereference of a possibly null reference.

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Carlos Admirador

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Dec 3, 2022, 1:55:00 AM12/3/22

to AltNet-Hispano

En VS2022, net5 aparece este warning:

Warning CS8602 Dereference of a possibly null reference.

Código:

//https://stackoverflow.com/questions/72211623/how-to-fix-remote-certificate-is-invalid-according-to-the-validation-procedure
//https://stackoverflow.com/questions/9983265/the-remote-certificate-is-invalid-according-to-the-validation-procedure
//ServicePointManager.ServerCertificateValidationCallback += (o, c, ch, er) => true;
ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain,
errors) =>
{
var hashString = certificate.GetCertHashString();
if (hashString != null)
{
var certHashString = hashString.ToLower();
return certHashString == "dec2b525ddeemma8ccfaa8df174455d6e38248c5";
}
//return false;
return true;
};

Warning afecta a la línea:

var hashString = certificate.GetCertHashString();