public virtual User UpdateUser(
	User user,
	CloudIdentity identity
)

Public Overridable Function UpdateUser ( 
	user As User,
	identity As CloudIdentity
) As User

public:
virtual User^ UpdateUser(
	User^ user, 
	CloudIdentity^ identity
)

abstract UpdateUser : 
        user : User * 
        identity : CloudIdentity -> User 
override UpdateUser : 
        user : User * 
        identity : CloudIdentity -> User 

User user = provider.GetUserByName("{username}", null);
user.Username = "{newUsername}";
provider.UpdateUser(user, null);

Dim user = provider.GetUserByName("{username}", Nothing)
user.Username = "{newUsername}"
provider.UpdateUser(user, Nothing)

auto user = provider->GetUserByName("{username}", nullptr);
user->Username = "{newUsername}";
provider->UpdateUser(user, nullptr);

let user = provider.GetUserByName("{username}", null)
user.Username <- "{newUsername}"
provider.UpdateUser(user, null) |> ignore