Gets or sets a value indicating if the principal of the current thread (CurrentPrincipal) must be replaced by the Visual Guard principal after an authentication.
true to replace the current principal of the thread, false otherwise.
Setting this value will only be effective if you set it before using the Authenticate method. By default the value is
true. If your application already uses CurrentPrincipal properties (with a WindowsPrincipal for example), you can set the value to false.