X509Certificate.GetEffectiveDateString Method ()

 

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

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

Public Overridable Function GetEffectiveDateString As String

Return Value

Type: System.String

The effective date for this X.509 certificate.

The effective date is the date after which the X.509 certificate is considered valid.

The GetEffectiveDateString 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.

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

Imports System
Imports System.Security.Cryptography.X509Certificates




Public Class X509


   Public Shared Sub Main()

      ' The path to the certificate.
      Dim Certificate As String = "Certificate.cer"

      ' Load the certificate into an X509Certificate object.
      Dim cert As X509Certificate = X509Certificate.CreateFromCertFile(Certificate)

      ' Get the value.
      Dim results As String = cert.GetEffectiveDateString()

      ' Display the value to the console.
      Console.WriteLine(results)
   End Sub
End Class 

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