I never set that property to false. I just close the device so that it becomes unclaimed then release the object that the ActiveX control is subclassed in. I set the property to TRUE immediately after opening and claiming the device and print the receipt. I close the device in the Destroy method.

>Hi,
>
>I am using the OPOS driver with my Star printer.
>After successfully open, claim and enableDevice my
>printer and other checking.
>
>When I EnabledDevice = .F., my Win2k system will had
>the hour glass appearing, making my application seem like
>halt and finally give some illegal operation message.
>
>Does anyone encountered such problem, please kindly advise
>whether I miss any setting. Thank you