VGSecurityRuntime.CheckCredential Method

Checks if credentials are valid but does not load security permissions or change current principal.

public VGAuthenticationState CheckCredential(
   String name,
   String password,
   VGAuthenticationMode mode
);

name: the name of the user.
password: the password of the user
mode: A VGAuthenticationMode value indicating the authentication mode used to validate the user.

true if the credentials are valid, false otherwise.

this method does not update credential statistic

Exception Type	Condition
ArgumentException	The value of mode is equal to None or is a combination of several modes. - or- the name is an empty string or is longer than 64 characters or contains invalid chars ('\', '/', '?', '', '%', ';', ''', '"', ':', '\|', '[', ']', '+', '=', ','). - or- the password* is longer than 64 characters.
ArgumentNullException	The name or the password is `null (Nothing in VB)` and the mode is not Windows.
NotSupportedException	the repository does not support Visual Guard authentication mode. The name is empty.
VGConfigurationException	The configuration file is not valid or A problem occurs during the connection to the repository. or The version of the repository or the version of the permissions is not supported by the application.