protected void OnStateChange(SocketStateChangeEventArgs e)
{
if (StateChange != null)
{
Invoke(StateChange, this, e);
}
}
protected void UpdateState(SocketState state)
{
if (State != state)
{
SocketStateChangeEventArgs e =
new SocketStateChangeEventArgs(State, state);
State = state;
OnStateChange(e);
}
}