IStream_Copy function

Copies a stream to another stream.

Syntax

HRESULT IStream_Copy(
  _In_ IStream *pstmFrom,
  _In_ IStream *pstmTo,
  _In_ DWORD   cb
);

Parameters

pstmFrom [in]

Type: IStream*

A pointer to the source stream.

pstmTo [in]

Type: IStream*

A pointer to the destination stream.

cb [in]

Type: DWORD

The number of bytes to copy from the source stream.

Return value

Type: HRESULT

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements