ICAT::GetTableDescriptorByIndex method (mpeg2psiparser.h)

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This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005 and later.

The GetTableDescriptorByIndex method retrieves a table descriptor for the CAT.

Syntax

HRESULT GetTableDescriptorByIndex(
  [in]  DWORD              dwIndex,
  [out] IGenericDescriptor **ppDescriptor
);

Parameters

[in] dwIndex

Specifies which descriptor to retrieve, indexed from zero. Call the ICAT::GetCountOfTableDescriptors method to get the number of table descriptors in the CAT.

[out] ppDescriptor

Receives a pointer to the IGenericDescriptor interface. Use this interface to retrieve the information in the descriptor. The caller must release the interface.

Return value

The method returns an HRESULT. Possible values include those in the following table.

Return code	Description
E_POINTER	NULL pointer argument.
MPEG2_E_OUT_OF_BOUNDS	Index out of bounds.
S_OK	The method succeeded.

Requirements

Requirement	Value
Target Platform	Windows
Header	mpeg2psiparser.h

See also

ICAT Interface