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X509Certificate2.GetCertContentType Method (String)

Indicates the type of certificate contained in a file.

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

public static X509ContentType GetCertContentType(
	string fileName


Type: System.String
The name of a certificate file.


fileName is null.

This method enables you to discover the type of certificate in a file.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • FileIOPermission 

    for reading the certificate. Security action: Demand. Associated enumeration: FileAccess.Read

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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