OdDgDatabaseReactor Class

Syntax

C++

class OdDgDatabaseReactor : public OdRxObject;

DgDatabaseReactor.h

This class is the base class for custom classes that receive notification of OdDgDatabase events.

Events consist of the addition, modification, or deletion of objects from an OdDgDatabase instance.

The default implementations of all methods in this class do nothing.

Corresponding C++ library: TG_Db

	Name	Description
	OdDgDatabaseReactor	This is OdDgDatabaseReactor, a member of class OdDgDatabaseReactor.

	Name	Description
	OdDgDatabaseActiveProperty	This is record OdDgDatabaseReactor::OdDgDatabaseActiveProperty.

	Name	Description
	activePropertyChanged	Notification function called whenever a database active properties ( model, color, line style etc. ) has been changed.
	elementAppended	Notification function called whenever an OdDgElement has been appended to an OdDgDatabase.
	elementErased	Notification function called whenever an OdDgElement has been erased or unerased.
	elementModified	Notification function called whenever an OdDgElement has been modified.
	elementOpenedForModify	Notification function called whenever an OdDgElement is about to be modified.
	elementReAppended	Notification function called whenever an OdDgElement has been reappended to an OdDgDatabase by a Redo operation.
	elementUnAppended	Notification function called whenever an OdDgElement has been unappended from an OdDgDatabase by an Undo operation.
	goodbye	Notification function called whenever a database is about to be deleted from memory.
	headerSysVarChanged	Notification function called whenever a database -resident system variable has changed.
	headerSysVarWillChange	Notification function called whenever a database -resident system variable is about to change.
	modified	Notification function called whenever a database data has been modified.
	ODRX_DECLARE_MEMBERS	This is ODRX_DECLARE_MEMBERS, a member of class OdDgDatabaseReactor.