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IKsTopologyInfo::get_NumCategories

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Microsoft DirectShow 9.0

IKsTopologyInfo::get_NumCategories

This topic applies to Windows XP Service Pack 2 and later.

The get_NumCategories method returns the number of categories for this filter.

Syntax

  HRESULT get_NumCategories(
  DWORD*  pdwNumCategories
);

Parameters

pdwNumCategories

[out]  Receives the number of categories.

Return Values

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK The method succeeded.

Requirements

Header: Include Vidcap.h.

Library: None.

See Also