After I Open and Claim the printer, I set the DeviceEnabled property to TRUE and AsyncMode to FALSE. In the Destroy method of my form, all I do is:

IF THIS.oleOpos.Claimed  && THIS == THISFORM
   THIS.oleOpos.Close()
ENDIF

I do not set the DeviceEnabled property to false. That is all I do.

>Hi,
>
>I had tried your method, but it still give me problem like showing hour glass and halt my system. I am using the OPOS printer driver. Do your know what is wrong ?