The TPing component implements at least parts of the ICMP protocoll.
It can be used to check whether some other host is reachable or not.
|Address||The host's IP or DNS address which will be pinged.|
|ICMPDLLHandle||TPing uses the ICMP internally via this handle.|
|Name||Name of the instance.|
|Size||Size of the ICMP packet sent in bytes.|
|Tag||Integer value which can be used for your own purposes, e.g. when iterating through all controls of a form.|
|Timeout||Time in miliseconds which may elapse between sending and receiving the ICMP packet.|
|TTL||Sets the Time To Live value within the packet being sent.|
|CancelDNSLookup||Cancel a running DNS lookup.|
|Create||Create the instance.|
|DNSLoopup||Look up the IP to a given DNS address.|
|Ping||Sends the ICMP packet.|
|OnDNSLookupDone||Called when the DNS Lookuop ?.|
|OnEchoRequest||Called when the request is being sent.|
|OnEchoReply||Called when the answer to the ping arrive.|