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Might it be possible to implement some utility so that the debug_printf function could print to a window (or even the debug-output window in LabWindows/CVI) from a program that is NOT running under the debugger? I'm workng on a program that does some near-real-time data acquisition, and running it with the debugger from within LabWindows/CVI slows it down too much, to the point where it can't respond to the DAQmx notifications and the program crashes. Since I have a multi-core machine, I can, however, run it as a separate process at the same time as LabWindows/CVI.
as noted in this forum discussion, DebugPrintf messages can be seen in external debugger when running a CVI executable. I have tested with DebugView and I can see DebugPrintf messages in it while the app is running