FDO API Reference Feature Data Objects

virtual FDO_API_COMMON FdoBoolean FdoIoFileStream::HasContext  )  [virtual]
 

returns whether the stream has any positional context. Streams without context can only be read and written in a forward-only manner. These streams do not allow position and length changes.

Returns:
Returns true if the stream has context. Returns false if it does not. When a stream does not have context, the SetLength(), Skip() and Reset() functions are not supported.

Reimplemented from FdoIoStream.


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