Version 17.5 of this C API has changed from version 17 as follows:
Optimized the load performance for CGM formats.
Updated CGM filter and updated VDC support (enhancing view).
PCT supports loading QuickTime compressed data.
DXF and DWG supports loading with different units and viewing multi-degree spline.
DXF layout support, adding support for loading different paper spaces from DXF file.
Adding support for Geometric text for DXF.
DWF supports loading with different units.
DWFX support added.
Removed functions:
L_UnlockSupport has been removed and replaced with L_SetLicenseFile - and L_SetLicenseBuffer
For more information, refer to: