The following group codes apply to proxy entities. In addition to the group codes described here, see Common Group Codes for Entities.
Acad_proxy_entity group codes
Group code
Description
100
DXF: AcDbProxyEntity
90
DXF: Proxy entity class ID (always 498)
91
DXF: Application entity's class ID. Class IDs are based on the order of the class in the CLASSES section. The first class is given the ID of 500, the next is 501, and so on
92
DXF: Size of graphics data in bytes
310
DXF: Binary graphics data (multiple entries can appear) (optional)
93
DXF: Size of entity data in bits
310
DXF: Binary entity data (multiple entries can appear) (optional)
330 or 340
or 350 or 360
DXF: An object ID (multiple entries can appear) (optional)
94
DXF: 0 (indicates end of object ID section)
95
DXF: Object drawing format when it becomes a proxy (a 32-bit unsigned integer):