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IFunctionInstanceCollection::GetCount method (functiondiscoveryapi.h)

  • Article

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

Gets the number of function instances in the collection.

Syntax

HRESULT GetCount(
  [out] DWORD *pdwCount
);

Parameters

[out] pdwCount

The number of function instances.

Return value

Possible return values include, but are not limited to, the following.

Return code Description
S_OK
 The method completed successfully.
E_INVALIDARG
 The pdwCount parameter is NULL.

Remarks

The GetCount and Item methods enables you to enumerate all of the function instances contained in a collection using a simple for or while loop.

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
DLL FunDisc.dll

See also

IFunctionInstanceCollection