/// <summary>
/// Returns if the providerName is present in the Logins Collection.
/// </summary>
/// <param name="providerName">The provider name for the login (i.e. graph.facebook.com)</param>
/// <returns>true if the provider name is present in the logins collection, else false</returns>
public bool ContainsProvider(string providerName)
{
return(Logins.ContainsKey(providerName));
}
public bool ContainsLogin(string login)
{
return(Logins.ContainsKey(login));
}