Best Answer Steph, 25 February 2013 - 08:04 PM
Hi CW2,
Today I reinstalled all the software packages, NETMF SDK4.2, PK4.2, Netduino SDK etc. and that solved the problem!!!
I must have broken something when I installed .NET Framework 3.5 last week (because I wanted to create a Clone project)
However, I can now call CLR_Debug::Printf(...) from within my driver... I'm now back on track with debugging.
Many Thanks for your help.
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