GrGen.NET v4.4 API: the libGr class library (the type exact interface gets generated)
ChangingEdgeAttributeHandler Delegate
Represents a method called just before an edge attribute is changed, with exact information about the change to occur, to allow rollback of changes, in case a transaction is underway.
Declaration Syntax
public delegate void ChangingEdgeAttributeHandler(
	IEdge edge,
	AttributeType attrType,
	AttributeChangeType changeType,
	Object newValue,
	Object keyValue
edge (IEdge)
The edge whose attribute is changed.
attrType (AttributeType)
The type of the attribute to be changed.
changeType (AttributeChangeType)
The type of the change which will be made.
newValue (Object)
The new value of the attribute, if changeType==Assign. Or the value to be inserted/removed if changeType==PutElement/RemoveElement on set. Or the new map pair value to be inserted if changeType==PutElement on map. Or the new value to be inserted/added if changeType==PutElement on array. Or the new value to be assigned to the given position if changeType==AssignElement on array.
keyValue (Object)
The map pair key to be inserted/removed if changeType==PutElement/RemoveElement on map. The array index to be removed/written to if changeType==RemoveElement/AssignElement on array.

Assembly: libGr (Module: libGr) Version: (