>Hello,
>
>I would like to determine is form is running on Foxpro IDE or on executable file.
>How?
>
>Thanks

Check

_VFP.StartMode

in HELP:
From there:

0 - A development version of Visual FoxPro was started in an interactive session.
1 - Visual FoxPro was started as an application object. For example, the following
    command creates an instance of Visual FoxPro as an application object: 
    oMyObject = CREATEOBJECT('VisualFoxPro.Application')
2 - Visual FoxPro was started as an out-of-process .exe automation server.
3 - Visual FoxPro was started as an in-process .dll automation server.
4 - Visual FoxPro was started as a distributable .app or .exe file.
5 - Visual FoxPro was started as an in-process .dll automation server for multithreaded use