TIdUDPClient or TUdpSocket

    Dear readers,

I would like a udp client to listen all the time my application is active.
What I understand is that the Indy client is blocking.
Is there a methode to trick the indy client into being non blocking?
E.g. generating an event if a packet arived.

Or should I use the TUdpSocket, and is so,
can someone please point me to a sample code?

Please advice,

    Thanks in advance, Jean.