public IAsyncResult BeginSendFile(
string fileName,
byte[] preBuffer,
byte[] postBuffer,
TransmitFileOptions flags,
AsyncCallback callback,
object state)
{
// Start the context flowing. No lock necessary.
TransmitFileOverlappedAsyncResult asyncResult = new TransmitFileOverlappedAsyncResult(this,state,callback);
asyncResult.StartPostingAsyncOp(false);
// Start the operation.
DoBeginSendFile(fileName, preBuffer, postBuffer, flags, asyncResult);
// Finish the op, collect the context or maybe call the callback.
asyncResult.FinishPostingAsyncOp(ref Caches.SendClosureCache);
return asyncResult;
}
public IAsyncResult BeginSendFile(string fileName, byte[] preBuffer, byte[] postBuffer, TransmitFileOptions flags, AsyncCallback callback, object state)
{
TransmitFileOverlappedAsyncResult asyncResult = new TransmitFileOverlappedAsyncResult(this, state, callback);
asyncResult.StartPostingAsyncOp(false);
this.DoBeginSendFile(fileName, preBuffer, postBuffer, flags, asyncResult);
asyncResult.FinishPostingAsyncOp(ref this.Caches.SendClosureCache);
return (IAsyncResult) asyncResult;
}