Having an interesting problem with TPing, and the replies under certain circumstances

Here is my code I'm using:

  Ping1.Address := '';

If the address Responds, I see the results 1, 0 and then the ms of the reply in my Memo1 - this is good.

If the address Does not respond, (DOS PING shows "Request timed out") I see the results 0, 11010 and 0 in Memo1 - this is also good.

If however you are trying to ping a device on the local subnet which is not there (DOS PING shows "Destination host unreachable.") , the application returns 1, 0 and then the Reply.RTT shows the correct time it took to fail. It seems to me that this is a bug because the flag returned from ping indicates a success, and the ErrorCode also indicates no errors.

Windows 7 SP1 64 bit
Delphi XE2 Update 4
ICS BetaV8 Rev 991
VCL Forms Application
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