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IFindAttribute Method (IEntity)

Finds an attribute on an entity.

.NET Syntax

Visual Basic (Declaration) 
Function IFindAttribute( _
   ByVal AttributeDef As AttributeDef, _
   ByVal WhichOne As System.Integer _
) As Attribute
Visual Basic (Usage) 
Dim instance As IEntity
Dim AttributeDef As AttributeDef
Dim WhichOne As System.Integer
Dim value As Attribute
value = instance.IFindAttribute(AttributeDef, WhichOne)
Attribute IFindAttribute( 
   AttributeDef AttributeDef,
   System.int WhichOne
Attribute^ IFindAttribute( 
&   AttributeDef^ AttributeDef,
&   System.int WhichOne


Pointer to the attribute definition you want to find
Instance of this type on this entity (0,1,2,3, and so on)

Return Value

Pointer to the attribute instance


After you add an attribute instance to a face, edge, vertex, loop, feature, or document, you can retrieve the attribute for query or modification in several ways:

  • Because an attribute instance is a feature:

  • If the user selected the attribute in the FeatureManager design tree, you can use standard selection control to get the Feature object for the attribute instance (ISelectionMgr::GetSelectedObject6) and call Feature::GetSpecificFeature2 to get the underlying attribute object.

  • If you traverse body topology, you can locate any Attribute object with a call to Entity::FindAttribute from the Entity object (for example, the face or edge). If the attribute instance was placed on the document, then you must use Feature::GetSpecificFeature2 to get back to it.

  • Always call IAttribute::GetEntityState to check if the attribute instance is valid and unambiguous.


See Also

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