IAFS_FileCacheCallbacks::Read Method

File Systems Layer > Interfaces > IAFS_FileCacheCallbacks > IAFS_FileCacheCallbacks::Read Method

The method of interface of PDF-XChange Editor SDK.

Syntax

HRESULT Read([in]   LONGLONG   nPos,
             [in]   void*      pPv,
             [in]   LONGLONG   cb,
             [out]  LONGLONG*  nRead,
             [in]   IString*   pErrDetails,
             [in]   IFlag*     pCancelFlag,
             [in]   LONGLONG   cbLeftToRead);

Parameters

nPos

[in] Value of LONGLONG.

pPv

[in] Pointer to void.

cb

[in] Value of LONGLONG.

nRead

[out] Pointer to LONGLONG.

pErrDetails

[in] Pointer to IString.

pCancelFlag

[in] Pointer to IFlag.

cbLeftToRead

[in] Value of LONGLONG.

Return Value

Returns S_OK if operation was successful or error code in other cases.

See Also

IAFS_FileCacheCallbacks