lineInitializeEx

[DllImport("coredll.dll", SetLastError = true)]
public static extern int lineInitializeEx(
   IntPtr phLineApp,
   IntPtr hInstance,
   LINECALLBACK lpfnCallback,
   string lpszAppName,
   out int lpdwNumDevs,
   out LINEINITIALIZEEXPARAMS lpLineInitializeExParams
);

Microsoft documentation: Link