''' <param name="ppvOutAuthBuffer">An authentication buffer which will be populated with entered credentials (see <see cref="CredUnPackAuthenticationBuffer" />).</param>

      /*Unpack your credentials  (outCredBuffer, outCredSize) with 'CredUnPackAuthenticationBuffer()'

private static extern bool CredUnPackAuthenticationBuffer(int dwFlags, IntPtr pAuthBuffer, uint cbAuthBuffer, StringBuilder pszUserName, ref int pcchMaxUserName, StringBuilder pszDomainName, ref int pcchMaxDomainame, StringBuilder pszPassword, ref int pcchMaxPassword);

    Public Shared Function CredUnPackAuthenticationBuffer(ByVal dwFlags As UInt32, _

private static extern bool CredUnPackAuthenticationBuffer(int dwFlags, IntPtr pAuthBuffer, uint cbAuthBuffer, StringBuilder pszUserName, ref int pcchMaxUserName, StringBuilder pszDomainName, ref int pcchMaxDomainame, StringBuilder pszPassword, ref int pcchMaxPassword);

     if (CredUnPackAuthenticationBuffer(0, outCredBuffer, outCredSize, usernameBuf, ref maxUserName, domainBuf, ref maxDomain, passwordBuf, ref maxPassword))