'Declaration
 
Public Shared Function Authenticate( _ 
   ByVal username As String, _ 
   ByVal password As String, _ 
   ByVal permissionLevel As User.PermissionLevels _ 
) As User

public static User Authenticate( 
   string username,
   string password,
   User.PermissionLevels permissionLevel 
)

Parameters

username

password

permissionLevel

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

Reference

User Class
User Members