Capture PC Screen to Hard drive

[Agent_24]

You don't need to worry about the source code unless you want to compile the thing yourself or make changes.

Just run the executable (snarf.exe) from the command line and hopefully it should work, personally I haven't tried it yet but the description sounds like it could be what you want. Check the readme file for more information, it should have all you need.

DOSBox might run your program but I'd be doubtful if you'd actually be able to access your instrumentation hardware.

[Woody]

In W7 the snipping tool would do it.
Will capture full screen / selected rectangular snip / or free form if you only want a small section.
No fiddling to set up - it's there in W7.
Good luck