Value

Meaning

1

If set, this entry describes a shape

4

Vertical text

16

If set, table entry is externally dependent on an xref

32

If this bit and bit 16 are both set, the externally dependent xref has been successfully resolved

64

If set, the table entry was referenced by at least one entity in the drawing the last time the drawing was edited. (This flag is for the benefit of AutoCAD commands. It can be ignored by most programs that read DXF files and need not be set by programs that write DXF files)