Question: You have two forms, can I assume that you are changing the
event handler when you go to each form?
HU HUITING wrote:
>
> hello james,
>
> sorry...i'm not quite sure what you are talking.
> i've tried to put an alert box..the box didn't pop up, that means it
> went into the ScanCmdScanEnable().
> can you explain step by step.
>
> thank you.
>
>
>> From: James Barwick <[EMAIL PROTECTED]>
>> Reply-To: "Palm Developer Forum" <[EMAIL PROTECTED]>
>> To: "Palm Developer Forum" <[EMAIL PROTECTED]>
>> Subject: Re: Barcode Scanning
>> Date: Thu, 03 Jan 2002 14:37:33 -0500
>>
>> Welll...obvious first....did you initialize the scanner (yes if your
>> using a laser scanner and you see the laser beam).
>>
>> Did you check your parens in your switch statements? Sometimes those
>> buggers get me.
>>
>> On App Start:
>> if (ScanIsPalmSymbolUnit())
>> {
>> error = (Err) ScanOpenDecoder(); // open the scan manager
>> library
>> if (!error)
>> {
>> bOpenDecoderOK = true; // set global variable that all is
>> well
>> ScanCmdScanEnable(); // Enable scanning
>> }
>> else
>> FrmAlert( alrtScannerProblem );
>> }
>>
>> Put some debug code in at the top of your switch and emulate a
>> ScanEvent. Then step through your code.
>>
>> Best of luck!
>>
>>
>> HU HUITING wrote:
>>
>>>
>>>
>>> hello,
>>>
>>> i've encountered some problems when i'm doing my Barcode Scanning
>>> application using Palm OS 3.5.
>>>
>>> It doesn't seems to go into the event "case scanDecodeEvent:".
>>>
>>> Does anyone know why?
>>>
>>> thanks in advance.
>>>
>>>
>>>
>>> _________________________________________________________________
>>> MSN Photos is the easiest way to share and print your photos:
>>> http://photos.msn.com/support/worldwide.aspx
>>>
>>>
>>
>>
>>
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>
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