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Error in WinHTTP request


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I have a function:

FUNC GETHTML($URLINPUT)
$OHTTP=OBJCREATE("winhttp.winhttprequest.5.1")
$OHTTP.Open("GET",$URLINPUT)
$OHTTP.Send()
$HTMLSOURCE=$OHTTP.Responsetext
RETURN $HTMLSOURCE
ENDFUNC

I want this function return the string "Can't connect" when load fail but I don't known how to do that. When connect fail, autoit will says:

---------------------------

AutoIt Error

---------------------------

Line 2038 (File "D:\Vampire\Programs\Program\test.au3"):

$OHTTP.Send()

$OHTTP.Send()^ ERROR

Error: The requested action with this object has failed.

---------------------------

OK

---------------------------

Please help me how to known when it connect fail.

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Try this:

FUNC GETHTML($URLINPUT)
$OHTTP=OBJCREATE("winhttp.winhttprequest.5.1")
$OHTTP.Open("GET",$URLINPUT)
$OHTTP.Send()
if @error Then
    msgbox(64, "Cannot connect","Cannot Connect." & " or socket died!")

Else
$HTMLSOURCE=$OHTTP.Responsetext
RETURN $HTMLSOURCE
EndIf
ENDFUNC
[size="5"] [/size]
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