Can I real the serial port from other programs?

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i want make program can read data sent through serial port of arduino. possible implement function in visual c++?
i have tried regular ways vc++ reads data com4. however, encountered quite lot of errors , got meaningless data. , cannot find documents covering topic.

yes, possible. if post actual information, rather 'quite lot of errors' , 'meaningless data', might able help.

if haven't done (and if not, why not?), read this: http://arduino.cc/forum/index.php/topic,97455.0.html


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