Represents a collection of X509Extension objects. This class cannot be inherited.
Assembly: System (in System.dll)
This class represents a collection of X509Extension objects associated with a certificate. These extensions can provide additional information about the certificate.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.