public static GetUserDirectoryEntry ( string username ) : System.DirectoryServices.DirectoryEntry | ||
username | string | |
return | System.DirectoryServices.DirectoryEntry |
/// <summary> /// This is a faster technique for determining whether or not a user exists on the local /// machine. UserPrincipal.FindByIdentity tends to be quite slow in general, so if /// you only need to know whether or not the account exists, this method is much /// faster. /// </summary> /// <param name="strUserName">The user name</param> /// <returns>Whether or not the account with the given user name exists on the system</returns> public static bool UserExists(string strUserName) { try { using (DirectoryEntry userEntry = LocalAccount.GetUserDirectoryEntry(strUserName)) { return(userEntry != null); } } catch (Exception) { return(false); } }