static extern bool FaxEnumPorts (IntPtr FaxHandle, ref FAX_PORT_INFO PortInfo,

Declare Function FaxEnumPorts Lib "winfax.dll" (TODO) As TODO

static extern bool EnumPorts (string pName, uint level, IntPtr lpbPorts, uint cbBuf,ref uint pcbNeeded,ref uint pcReturned);

    static extern bool EnumPorts (string pName, uint level, IntPtr lpbPorts, uint cbBuf,ref uint pcbNeeded,ref uint pcReturned);

        if (EnumPorts(null, 2, IntPtr.Zero, 0, ref pcbNeeded, ref pcReturned))

        throw new Exception("EnumPorts should fail!");

        if (EnumPorts(null, 2, pPorts, pcbNeeded, ref pcbNeeded, ref pcReturned))