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CAtlTemporaryFile::Read

Call this method to read data from the temporary file starting at the position indicated by the file pointer.

HRESULT Read( 
   LPVOID pBuffer, 
   DWORD nBufSize, 
   DWORD& nBytesRead  
) throw( );

Parameters

  • pBuffer
    Pointer to the buffer that will receive the data read from the file.

  • nBufSize
    The buffer size in bytes.

  • nBytesRead
    The number of bytes read.

Return Value

Returns S_OK on success, or an error HRESULT on failure.

Remarks

Calls CAtlFile::Read. To change the position of the file pointer, call CAtlTemporaryFile::Seek.

Example

See the example for CAtlTemporaryFile::CAtlTemporaryFile.

Requirements

Header: atlfile.h

See Also

Reference

CAtlTemporaryFile Class

CAtlTemporaryFile::Write