Dear Amit Kumar,
> I am developing real time project, I have need to call
> graphical representation in that project. I want to see
> only output GNU window, after clicking on command button.
> I am using Visual C++ for Developing this project. Plz
> give me clear instructions.
This is precisely how I use gnuplot: as a plotting engine driven
programmatically by a GUI simulation environment. There is a
chance that during July, I will try to synch with sourceforge.
Sadly, for now nothing, least of all clear instructions :~)