API Reference > OdDb Classes > OdDbBlockTableRecord Class > OdDbBlockTableRecord Methods > OdDbBlockTableRecord::isFromExternalReference Method
OdDbBlockTableRecord::isFromExternalReference Method
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Syntax
C++
bool isFromExternalReference() const;
Description

Returns true if and only if this Block is an Xref (DXF 70, bit 0x04).

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