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IEnumPIDMap::Next

  • Artigo
 
Microsoft DirectShow 9.0

IEnumPIDMap::Next

The Next method retrieves the next n elements in the collection.

Syntax

  HRESULT Next(
  ULONG cRequest,
  PID_MAP* pPIDMap,
  ULONG* pcReceived
);

Parameters

cRequest

[in] The number of elements to retrieve.

pPIDMap

[in, out] Address of an array allocated by the caller, containing cRequest elements. The array is filled with PID_MAP structures that describe the PID mapping.

pcReceived

[out] Pointer to a variable that receives the number of elements actually retrieved. This parameter cannot be NULL. If cRequest equals zero, this parameter receives the total number of items in the collection.

Return Values

Returns an HRESULT value. Possible values include the following.

Value Description
E_INVALIDARG Invalid argument; pPidMap and pcReceived cannot be NULL.
S_FALSE Reached the end of the collection.
S_OK Success.

Requirements

Header: Include Bdaiface.h.

Library: Use Strmiids.lib.

See Also