Find the User Account

[アーティクル]
06/24/2008

Search for the user account in the directory to make sure that it exists before performing any other operations. The FindByIdentity overload method on the user principal object locates the user object.

        internal static bool FindTheUser(string user)
        {
            // Creating the PrincipalContext
            PrincipalContext principalContext = null;
            try
            {
                principalContext = new PrincipalContext(ContextType.Domain, "fabrikam", "DC=fabrikam,DC=com");
            }
            catch (Exception e)
            {
                MessageBox.Show("Failed to create PrincipalContext. Exception: " + e);
                Application.Exit();
            }

            //Retrieving the user
            UserPrincipal userPrincipal = UserPrincipal.FindByIdentity(principalContext, user);
            if (userPrincipal != null)
                return true;
            else
                return false;

        }

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Find the User Account

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