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Inside Macintosh: QuickDraw GX Environment and Utilities /

Chapter 5 - Collection Manager / Collection Manager Reference

Functions / Counting Items in a Collection

CountTaggedCollectionItems

You can use the CountTaggedCollectionItems function to obtain the total number of items in a collection that have a specified collection tag.

long CountTaggedCollectionItems(Collection source,
                                CollectionTag tag);

source

A reference to the collection object whose items you want to count.

tag

The collection tag associated with the items you want to count.

function result

The total number of items in the source collection whose collection tags match the value specified in the tag parameter.

DESCRIPTION

The CountTaggedCollectionItems function returns as its function result the total number of items in the source collection whose collection tags match the value you specify in the tag parameter.

SEE ALSO

For information about collection items, see "Collection Items" beginning on page 5-8.

For examples of this function, see "Adding Items to a Collection" beginning on page 5-17.

To count all of the items in a collection, use the CountCollectionItems function, described in the previous section.