IFunctionDiscoveryProviderQuery::IsInstanceQuery method (functiondiscoveryprovider.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.]
Determines whether a query is for a single function instance or multiple function instances.
Syntax
HRESULT IsInstanceQuery(
[out] BOOL *pisInstanceQuery,
[out] WCHAR **ppszConstraintValue
);
Parameters
[out] pisInstanceQuery
If this parameter is TRUE, there is a provider instance identifier constraint in the query constraints collection.
[out] ppszConstraintValue
The value of the provider instance identifier constraint.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | functiondiscoveryprovider.h |