OdDbBlockBegin Class

API Reference > OdDb Classes > OdDbBlockBegin Class

OdDbBlockBegin Class

Class Hierarchy

Syntax

C++

class OdDbBlockBegin : public OdDbEntity;

DbBlockBegin.h

This class represents BlockBegin entities in an OdDbDatabase instance.

OdDbBlockBegin entities are created and handled automatically for each OdDbBlockTableRecord object.

Client applications may add extended data or extension dictionaries to these entities, but should not create or delete them.

These entities have no associated geometries.

Do not derive from this class.

	Name	Description
	OdDbBlockBegin	This is the default constructor for objects of the OdDbBlockBegin class.

OdDbBlockBegin Methods

	Name	Description
	dwgInFields	Reads the .dwg file data of this object.
	dwgOutFields	Writes the .dwg file data of this object.
	dxfIn	Reads the DXF format data of this object from the specified filer.
	dxfInFields	Reads the DXF data of this object.
	dxfInFields_R12	Reads the DXF R12 format data of this object.
	dxfOutFields	Writes the DXF data of this object.
	dxfOutFields_R12	Writes the DXF data of this object.
	subGetGeomExtents	Always returns eInvalidExtents.

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