Validates a username and password.
Assembly: System.IdentityModel (in System.IdentityModel.dll)
Use the class to specify how a username and password is validated. This can be done by deriving a class from and override the Validate method. For more information about creating a custom user name and password validator, see How to: Use a Custom User Name and Password Validator.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
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.