Returns the number of child nodes held by this container.
Pointer to the IVfsNode interface object
[out] Address at which to store the Items in use count.
int IVFSCONTAINER_ItemsInUse(IVfsContainer * po,uint16 * pIiu)
SUCCESS, or standard error code.
Inline accessor for IVFSNODE_SetProperty(..., NODEPROPERTY_USEDITEMS)
For an IVfsStructContainer, this is the count of children added to the
For an IVfsCacheContainer, this is the current count of cached child
nodes held by the container. This count includes both active (refcount > 1)
and inactive (refcount == 1) child nodes.
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