AutoCAD® registers
the classes listed in the following table. (This may not be a complete
list of the classes found in a DXF file. It depends on the applications
currently in use by AutoCAD.)
Default
class values
|
DXF record
name
code 1
|
C++ class
name
code 2
|
Code 90
|
Code 280
|
Code 281
|
ACDBDICTIONARYWDFLT
|
AcDbDictionaryWithDefault
|
0
|
0
|
0
|
ACDBPLACEHOLDER
|
AcDbPlaceHolder
|
0
|
0
|
0
|
ARCALIGNEDTEXT
|
AcDbArcAlignedText
|
0
|
0
|
1
|
DICTIONARYVAR
|
AcDbDictionaryVar
|
0
|
0
|
0
|
HATCH
|
AcDbHatch
|
0
|
0
|
1
|
IDBUFFER
|
AcDbIdBuffer
|
0
|
0
|
0
|
IMAGE
|
AcDbRasterImage
|
127
|
0
|
1
|
IMAGEDEF
|
AcDbRasterImageDef
|
0
|
0
|
0
|
IMAGEDEF_REACTOR
|
AcDbRasterImageDefReactor
|
1
|
0
|
0
|
LAYER_INDEX
|
AcDbLayerIndex
|
0
|
0
|
0
|
LAYOUT
|
AcDbLayout
|
0
|
0
|
0
|
LWPOLYLINE
|
AcDbPolyline
|
0
|
0
|
1
|
OBJECT_PTR
|
CAseDLPNTableRecord
|
1
|
0
|
0
|
OLE2FRAME
|
AcDbOle2Frame
|
0
|
0
|
1
|
PLOTSETTINGS
|
AcDbPlotSettings
|
0
|
0
|
0
|
RASTERVARIABLES
|
AcDbRasterVariables
|
0
|
0
|
0
|
RTEXT
|
RText
|
0
|
0
|
1
|
SORTENTSTABLE
|
AcDbSortentsTable
|
0
|
0
|
0
|
SPATIAL_INDEX
|
AcDbSpatialIndex
|
0
|
0
|
0
|
SPATIAL_FILTER
|
AcDbSpatialFilter
|
0
|
0
|
0
|
WIPEOUT
|
AcDbWipeout
|
127
|
0
|
1
|
WIPEOUTVARIABLES
|
AcDbWipeoutVariables
|
0
|
0
|
0
|
