SqlFileStream.EndRead Method (IAsyncResult)
Waits for the pending asynchronous read to complete.
Assembly: System.Data (in System.Data.dll)
The reference to the pending asynchronous request to finish.
Return ValueType: System.Int32
The number of bytes read from the stream, between zero (0) and the number of bytes you requested. Streams return zero (0) only at the end of the stream, otherwise, they should block until at least one byte is available.
Available since 2.0