Having an interesting problem with TPing, and the replies under certain
circumstances
Here is my code I'm using:
Ping1.Address := '10.110.12.1';
Memo1.Lines.Add(IntToStr(Ping1.Ping));
Memo1.Lines.Add(IntToStr(Ping1.ErrorCode));
Memo1.Lines.Add(IntToStr(Ping1.Reply.RTT));
If the address 10.110.12.1 Responds, I see the results 1, 0 and then the
ms of the reply in my Memo1 - this is good.
If the address 10.110.12.1 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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