static bool WaitInternal(int?msTimeout, Func <bool> condition)
{
bool timedOut = false;
Debug.Assert(SynchronizationContext.Current is DispatcherSynchronizationContext);
DispatcherFrame frame = new DispatcherFrame();
DispatcherHookEventHandler onOperationCompleted = null;
Action popFrame = () => {
frame.Continue = false;
Dispatcher.CurrentDispatcher.Hooks.OperationCompleted -= onOperationCompleted;
};
onOperationCompleted = (s, ea) => {
if (condition())
{
popFrame();
}
};
Dispatcher.CurrentDispatcher.BeginInvoke(new Action(() => {
Dispatcher.CurrentDispatcher.Hooks.OperationCompleted += onOperationCompleted;
}));
if (msTimeout != null)
{
PumpTimer.DoLater(msTimeout.Value, () => {
timedOut = true;
popFrame();
});
}
Dispatcher.PushFrame(frame);
return(!timedOut);
}
void Heartbeat()
{
if (MyState == State.Disposed)
{
return;
}
HeartbeatCookie = PumpTimer.DoLater(1000, Heartbeat);
if (Connection == null || !Connection.IsOpen)
{
MyState = State.Connecting;
SyncContext.Current.Post(() => IsConnectedChanged.Fire(false));
TryToConnect();
}
}
public void Dispose()
{
if (MyState == State.Disposed)
{
return;
}
MyState = State.Disposed;
PumpTimer.CancelDoLater(HeartbeatCookie);
try
{
OnDispose();
}
catch (Exception)
{
}
CleanupRabbit();
}
