RealDWG Frequently Asked Questions.
1. What is RealDWG?
The RealDWG® developer toolkit is a software library that allows C++ and .NET developers to read and write AutoCAD® software DWG and DXF files.
2. How do I license RealDWG?
RealDWG is licensed as a software development kit  exclusively from our partners, Tech Soft 3D. To obtain a copy of the RealDWG software development kit  license application, simply download a copy from Tech Soft 3D or email them.
Developers may also apply fill out and submit the license application form to obtain a copy of the RealDWG® software development kit  license application..
3. What is the difference between RealDWG and ObjectARX for AutoCAD?
RealDWG is a subset of the ObjectARX® programming environment and contains the APIs for reading and writing AutoCAD DXF and DWG files. RealDWG does not contain support for viewing and accessing the AutoCAD user interface.
Also, ObjectARX applications always require AutoCAD as their host application. RealDWG does not require the presence of AutoCAD software. RealDWG is used to create host applications, but ObjectARX is not.
4. Is developer support or training available for RealDWG?
Developer support for RealDWG is available through the Autodesk Developer Network (ADN). Custom RealDWG training is available on request through our ADN Mentoring service.
5. Do I have to rebuild my applications that are built with an older version of RealDWG
If your applications were developed with previous DWG formats, then they must be recompiled, with current RealDWG libraries in order to read and write DXF and DWG files for the current versions of AutoCAD products. Applications developed with, the current DWG format can read and write DXF and DWG files. However, to take advantage of drawing functionality new in the current version of RealDWG, you have to rebuild your application with the current version of RealDWG!
6. What versions of AutoCAD are supported by the current version of RealDWG?
The current version of RealDWG provides support for all versions of AutoCAD since AutoCAD Release 14..
7. Is RealDWG available for 64-bit operating systems?
Yes, RealDWG is available for both 32-bit and 64-bit operating systems. However, deployment of 32-bit applications on a 64-bit operating system is not supported.