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X509Certificate::GetExpirationDateString Method ()

 

Returns the expiration date of this X.509v3 certificate.

Namespace:   System.Security.Cryptography.X509Certificates
Assembly:  mscorlib (in mscorlib.dll)

public:
virtual String^ GetExpirationDateString()

Return Value

Type: System::String^

The expiration date for this X.509 certificate.

The expiration date is the date after which the X.509 certificate is no longer considered valid.

The GetExpirationDateString method returns a string that shows the date formatted in Short Date Pattern followed by the time formatted in Long Time Pattern. The date and time are formatted using the current culture and time zone.

System_CAPS_noteNote

This method may return a different string format on Macintosh computers, although the underlying DateTime object will represent the same value.

The following example uses the GetExpirationDateString method to get the expiration date of a certificate and displays it to the console.

using namespace System;
using namespace System::Security::Cryptography::X509Certificates;
int main()
{

   // The path to the certificate.
   String^ Certificate = "Certificate.cer";

   // Load the certificate into an X509Certificate object.
   X509Certificate^ cert = X509Certificate::CreateFromCertFile( Certificate );

   // Get the value.
   String^ results = cert->GetExpirationDateString();

   // Display the value to the console.
   Console::WriteLine( results );
}

.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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