IsValid

DigitalSignature.IsValid property

If this digital signature is valid and the document has not been tampered with, this value will be true. Read-only Boolean.

public bool IsValid { get; }

Examples

[C#]
using (Presentation pres = new Presentation("SomePresentationSigned.pptx"))
{
    foreach (DigitalSignature signature in pres.DigitalSignatures)
        Console.WriteLine("Signature check: " + (signature.IsValid ? "VALID" : "INVALID"));
}

See Also

Comments SignTime