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X509Certificate Constructor (X509Certificate)

Initializes a new instance of the X509Certificate class using another X509Certificate class.

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

public X509Certificate (
	X509Certificate cert
public X509Certificate (
	X509Certificate cert
public function X509Certificate (
	cert : X509Certificate



A X509Certificate class from which to initialize this class.

Exception typeCondition


The value of the cert parameter is a null reference (Nothing in Visual Basic).

ASN.1 DER is the only certificate format supported by this class.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0