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.

Inheritance

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

Methods

The IFunctionInstanceCollectionQuery interface has these methods.

 
IFunctionInstanceCollectionQuery::AddPropertyConstraint

Adds a property constraint to the query.
IFunctionInstanceCollectionQuery::AddQueryConstraint

Adds a query constraint to the query.
IFunctionInstanceCollectionQuery::Execute

Performs the query defined by IFunctionDiscovery::CreateInstanceCollectionQuery.

Remarks

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

Requirements

Requirement Value
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