IRdChunkUnknown Interface Reference

Inherits IUnknown.

List of all members.

Public Member Functions
HRESULT	Clear (void)
HRESULT	LockData ([in] RtBOOL bWillOverwrite,[out, retval] RtBYTE **ppBuffer)
HRESULT	UnlockData (void)
Properties
RtQWORD *	DataLen [get]
RtQWORD	DataLen [set]
CLSID *	ChunkIID [get, set]
RtDWORD *	CustomId [get]
RtDWORD	CustomId [set]

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Detailed Description

Chunk is used to manipulate with unknown chunks.

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Member Function Documentation

HRESULT IRdChunkUnknown::Clear

(

void

)

Method clear the chunk.

HRESULT IRdChunkUnknown::LockData	(	[in] RtBOOL	bWillOverwrite,
		[out, retval] RtBYTE **	ppBuffer
	)

Lock data and get buffer pointer.

Parameters:

	bWillOverwrite	[in] Set true if you plan to modify the buffer.
	ppBuffer	[out, retval] Returns pointer to the data buffer.

Returns:

Standard HRESULT processing can be applied to the result.

HRESULT IRdChunkUnknown::UnlockData

(

void

)

Unlock data buffer.

Returns:

Standard HRESULT processing can be applied to the result.

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Property Documentation

RtQWORD * IRdChunkUnknown::DataLen [get]

Get unknown chunk length.

Parameters:

pqwLength

[out, retval] Returns chunk's data length.

Returns:

Standard HRESULT processing can be applied to the result.

RtQWORD IRdChunkUnknown::DataLen [set]

Set unknown chunk length.

Parameters:

qwLength

[in] Chunk's data length.

Returns:

Standard HRESULT processing can be applied to the result.

CLSID * IRdChunkUnknown::ChunkIID [get, set]

Get unknown chunk IID.

Parameters:

piidChunk

[out, retval] Returns chunk's IID.

Returns:

Standard HRESULT processing can be applied to the result.

Set unknown chunk IID.

Parameters:

piidChunk

[in] Set chunk's IID.

Returns:

Standard HRESULT processing can be applied to the result.

RtDWORD * IRdChunkUnknown::CustomId [get]

Get unknown chunk custom Id.

Parameters:

pdwCustomId

[out, retval] Returns chunk's custom Id.

Returns:

Standard HRESULT processing can be applied to the result.

RtDWORD IRdChunkUnknown::CustomId [set]

Set unknown chunk custom Id.

Parameters:

dwCustomId

[in] Set chunk's custom Id.

Returns:

Standard HRESULT processing can be applied to the result.