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APPID group codes<br />
Group codes<br />
Description<br />
100 Subclass marker (AcDbRegAppTableRecord)<br />
2 User-supplied (or application-supplied) application name (for extended<br />
data). These table entries maintain a set of names for all registered<br />
applications<br />
70 Standard flag values (bit-coded values):<br />
1 = If set, xdata associated with this APPID is not written when<br />
SAVEASR12 is performed<br />
16 = If set, table entry is externally dependent on an xref<br />
32 = If this bit and bit 16 are both set, the externally dependent xref<br />
has been successfully resolved<br />
64 = If set, the table entry was referenced by at least one entity in the<br />
drawing the last time the drawing was edited. (This flag is for the<br />
benefit of AutoCADcommands. It can be ignored by most programs<br />
that read DXF files and need not be set by programs that write DXF<br />
files)<br />
BLOCK_RECORD<br />
The following group codes apply to BLOCK_RECORD symbol table entries.<br />
In addition to the group codes described here, see “Common Group Codes<br />
for Symbol Table Entries” on page 37. For information about abbreviations<br />
and formatting used in this table, see “Formatting Conventions in This Reference”<br />
on page 6.<br />
BLOCK_RECORD group codes<br />
Group codes<br />
Description<br />
100 Subclass marker (AcDbBlockTableRecord)<br />
2 Block name<br />
340 Hard-pointer ID/handle to associated LAYOUT object<br />
310 DXF: Binary data for bitmap preview (optional)<br />
1001 Xdata application name “ACAD” (optional)<br />
BLOCK_RECORD | 39
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