Parameters
- buffer
- The buffer to write data from.
- offset
- The byte offset in buffer from which to begin writing.
- count
- The maximum number of bytes to write.
- callback
- An optional asynchronous callback, to be called when the write is complete.
- state
- A user-provided object that distinguishes this particular asynchronous write request from other requests.
Return Value
An IAsyncResult that represents the asynchronous write, which could still be pending.