IFunctionInstanceCollectionQuery interface (functiondiscoveryapi.h)

[Function Discovery is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions.]

This interface implements the asynchronous query for a collection of function instances based on category and subcategory. A pointer to this interface is returned when the collection query is created by the client program.


The IFunctionInstanceCollectionQuery interface inherits from the IUnknown interface. IFunctionInstanceCollectionQuery also has these types of members:


The IFunctionInstanceCollectionQuery interface has these methods.


Adds a property constraint to the query.

Adds a query constraint to the query.

Performs the query defined by IFunctionDiscovery::CreateInstanceCollectionQuery.


The Execute method must be invoked by the client program before any data can be retrieved from the query object.


Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header functiondiscoveryapi.h

See also

Function Discovery Queries