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IRelation Interface
IRelation(64) Interface
- GetRelation
- GetItemList
Relation is a list of pairs of elements from another two lists. It describes
a symmetric association of elements from two sets. The two related lists can be
obtained with call to GetItemList. To access pairs of elements
from the relation obtain the list of pairs with cal to the GetRelation
method. Access or iterate though the elements of list. Cast generic type
returned from IList.GetAt to
AssociationPair type. posn0 and
posn1 are positions of the two related elements from the first and second list
respectively.
See also Interface List
HRESULT GetRelation( IList** pairs )
Parameters
pairs - [out] the
returned list of pairs from the relation. The list contains
AssociationPair structure elements.
Return Values
- S_OK in case of
success.
-
- Remarks:
The methods returns IList of associations
pairs. Elements of the list have type of
AssociationPair. posn0 and posn1
from the pair can be used to obtain actual elements from the first or the second
list respectively.
HRESULT GetItemList( VARIANT_BOOL bFirstSet, IList** items )
Parameters
bFirstSet - [in] if true the method return the first
list or the second otherwise.
items - [out] returned reference to
the specified list
Return Values
- S_OK in case of
success.
-
-
- Remarks:
The method returns either first or the second of the two associated lists of
elements.
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