OK. In this case, I am sorry to say that I don't know what could cause the problem.

>Hi
>
>My definition of not work mean when in the VFP IDE,
>my application senting command to the device and able to
>get the device response back through the RS232.
>
>However, when run as a standalone executable file, it
>does not get response back from the device.
>
>>Can you explain the symptoms of "does not work"? Do you see a form that immediately dissapears, do you get an error message, or what?
>>
>>>Hi,
>>>
>>>I am evaluating some wireless device with VFP6 SP5 written
>>>application.
>>>
>>>When my application running under the VFP IDE, it working fine.
>>>However, when I compiled it as executable file, it does not
>>>work. I am doing some RS232 serial communication with the
>>>wireless device.
>>>
>>>It seem like after compilation, my executable
>>>application output data to RS232 is different from those output data
>>>when in IDE mode by tapping the signal from my application to monitor it.
>>>
>>>I am confused, any advise or comment to assist me.
>>>
>>>Thank in advance.