CADSoftTools

I understand, it's thank to the CADImage.dll that VB can display the picture (points, lines...) ?? ??

And is this CADImage.dll is free to use it in my soft ?

Hi, I just downloaded the demo version of "CAD Image DLL, SDK for developers", and tried to run the VB demo! I know that a HPGL file (with .plt as extension) is composed with the words PU, PD, PA etc... And I don't understand how VB can trace these points or lines... ? When I see the code of CADImag...