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(Visual FoxPro) Bind and Listen on a Randomly Selected Unused PortDemonstrates how to bind and listen on a randomly selected unused port. Note:The ListenPort property used in this example is available starting in Chilkat v9.5.0.59.
LOCAL loListenSocket LOCAL lnSuccess LOCAL lnListenPort * This example requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Socket') loListenSocket = CreateObject('Chilkat.Socket') * Pass a value of 0 for the port number to randomly select * an unused port. * (The 2nd argument allows for a backlog of 25 pending connection requests when accepting connections.) lnSuccess = loListenSocket.BindAndListen(5555,25) IF (lnSuccess <> 1) THEN ? loListenSocket.LastErrorText RELEASE loListenSocket CANCEL ENDIF * Find out what port was chosen. * Note: The ListenPort propety was added in Chilkat v9.5.0.59 lnListenPort = loListenSocket.ListenPort ? "Chosen listen port = " + STR(lnListenPort) RELEASE loListenSocket |
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