FDO API Reference Feature Data Objects

virtual FDO_API_COMMON FdoSize FdoIoFileStream::Read FdoByte buffer,
FdoSize  count
[virtual]
 

reads the number of bytes indicated by count into the given buffer, or the number of bytes after the current stream position, whichever is less. The stream’s current position is moved ahead by the number of bytes read.

Parameters:
buffer Output read into this buffer
count Input read this number of bytes into the buffer. The caller is responsible for allocating a buffer that is large enough to hold the bytes.
Returns:
Returns the number of bytes that were read. 0 if already at the end of the stream.

Implements FdoIoStream.


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