>I have a program which is invoked using the following command on a button in the onclick event on a form:
>
>! /n c:\questpdm\questpdm.exe
>
>Prior to this I write a record to a table to state when that user logged in to the system.
>When the user closes the calling program I want to write the datetime when they logged out for the same record. Can this be done?
>
>Here is my code:
>
>

>use userlog
>
>INSERT INTO 'userlog' (pdmuserid, domuserid, datetimei) VALUES (thisform.combo1.displayvalue, SYS(0), DATETIME())
>
>! /n c:\questpdm\questpdm.exe
>
>INSERT INTO 'userlog' (pdmuserid, domuserid, datetimeo) VALUES (thisform.combo1.displayvalue, SYS(0), DATETIME())
>

>
>Obviously from the code above a record is written. But then as soon as its written another record is written. I know this is wrong.
>
>What I would like to do is halt processing on my button until the calling program as closed. In addition I would like to write the datetimeo to the same record instead of writing another record.
>
>Any help would be greatly appreciated.

If you omit the "/n" option from the RUN (or "!") command, VFP will wait for the completion of the external program.

As an alternative, search in the download and FAQ question for relevant Windows API functions. One function I think is relevant is ShellExecute().