X509Certificate Constructor (String, String, X509KeyStorageFlags)

Note: This constructor is new in the .NET Framework version 2.0.

Initializes a new instance of the X509Certificate class using a certificate file name, a password used to access the certificate, and a key storage flag.

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

X509Certificate (
	String^ fileName, 
	String^ password, 
	X509KeyStorageFlags keyStorageFlags
public X509Certificate (
	String fileName, 
	String password, 
	X509KeyStorageFlags keyStorageFlags
public function X509Certificate (
	fileName : String, 
	password : String, 
	keyStorageFlags : X509KeyStorageFlags



The name of a certificate file.


The password required to access the X.509 certificate data.


One of the X509KeyStorageFlags values.

Exception typeCondition


The fileName parameter is a null reference (Nothing in Visual Basic).

  • FileIOPermission  for permission to read the file described by the fileName parameter. Associated enumeration: Read Security action: Demand
  • KeyContainerPermission  for permission to create a key container. Associated enumeration: Create. Security action: Demand

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

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