Calls each registered authentication module to find the first module that can respond to the authentication request.
Assembly: System (in System.dll)
'Declaration Public Shared Function Authenticate ( _ challenge As String, _ request As WebRequest, _ credentials As ICredentials _ ) As Authorization 'Usage Dim challenge As String Dim request As WebRequest Dim credentials As ICredentials Dim returnValue As Authorization returnValue = AuthenticationManager.Authenticate(challenge, _ request, credentials)
- Type: System.String
The challenge returned by the Internet resource.
challenge is Nothing.
request is Nothing.
credentials is Nothing.
The first Authorization instance returned is used to authenticate the request. If no authentication module can authenticate the request, the method returns Nothing.
Authentication modules are called in the order in which they are registered with the AuthenticationManager.
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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC
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.