AuthorizationAttribute.Authorize Method
[WCF RIA Services Version 1 Service Pack 2 is compatible with either .NET framework 4 or .NET Framework 4.5, and with either Silverlight 4 or Silverlight 5.]
Determines whether the given principal object is authorized to perform a specific operation described by the given AuthorizationContext.
Namespace: System.ComponentModel.DataAnnotations
Assembly: System.ServiceModel.DomainServices.Server (in System.ServiceModel.DomainServices.Server.dll)
Syntax
'Declaration
Public Function Authorize ( _
principal As IPrincipal, _
authorizationContext As AuthorizationContext _
) As AuthorizationResult
'Usage
Dim instance As AuthorizationAttribute
Dim principal As IPrincipal
Dim authorizationContext As AuthorizationContext
Dim returnValue As AuthorizationResult
returnValue = instance.Authorize(principal, _
authorizationContext)
public AuthorizationResult Authorize(
IPrincipal principal,
AuthorizationContext authorizationContext
)
public:
AuthorizationResult^ Authorize(
IPrincipal^ principal,
AuthorizationContext^ authorizationContext
)
member Authorize :
principal:IPrincipal *
authorizationContext:AuthorizationContext -> AuthorizationResult
public function Authorize(
principal : IPrincipal,
authorizationContext : AuthorizationContext
) : AuthorizationResult
Parameters
- principal
Type: System.Security.Principal.IPrincipal
The IPrincipal to be authorized.
- authorizationContext
Type: System.ComponentModel.DataAnnotations.AuthorizationContext
The AuthorizationContext describing the context in which authorization has been requested.
Return Value
Type: System.ComponentModel.DataAnnotations.AuthorizationResult
An AuthorizationResult object that indicates whether the operation is allowed or denied. Returns Allowed when the operation is allowed. Returns a non-null AuthorizationResult when the request has been denied. The ErrorMessage property contains the error message that is displayed to users.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | principal or authorizationContext is nulla null reference (Nothing in Visual Basic). |
Remarks
This method is the entry point for authorization. It delegates to the derived class's IsAuthorized method for implementation-specific authorization.