Launching OpenOffice from WPF app. AlwaysOnTop

I am launching openoffice 3.3.0 on Windows 7 from a WPF app no problem, however when launching on XP openoffice always goes behind my WPF any way to stop this ?

C:\Program Files\OpenOffice.org 3\program\s开发者_开发知识库office.exe

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Guessing here.

Is there no way to launch a program and specify that it opens on-top/in-front?

Or do you need to minimize the WPF application to allow OO.o to show up on top. You may just have gotten lucky on Windows 7.