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IGraphChangingEdgeAttribute Method

Fires an OnChangingEdgeAttribute event. To be called before changing an attribute of an edge, with exact information about the change to occur, to allow rollback of changes, in case a transaction is underway.

Namespace:  de.unika.ipd.grGen.libGr
Assembly:  libGr (in libGr.dll) Version: GrGen.NET 7.2
Syntax
C#
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void ChangingEdgeAttribute(
	IEdge edge,
	AttributeType attrType,
	AttributeChangeType changeType,
	Object newValue,
	Object keyValue
)

Parameters

edge
Type: de.unika.ipd.grGen.libGrIEdge
The edge whose attribute is to be changed.
attrType
Type: de.unika.ipd.grGen.libGrAttributeType
The type of the attribute to be changed.
changeType
Type: de.unika.ipd.grGen.libGrAttributeChangeType
The type of the change which will be made.
newValue
Type: SystemObject
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/deque. Or the new value to be assigned to the given position if changeType==AssignElement on array/deque.
keyValue
Type: SystemObject
The map pair key to be inserted/removed if changeType==PutElement/RemoveElement on map. The index to be removed/written to if changeType==RemoveElement/AssignElement on array/deque.
See Also