public void RunWorkerAsync(object argument)
{
if (isRunning)
{
throw new InvalidOperationException("SR.GetString(SR.BackgroundWorker_WorkerAlreadyRunning");
}
isRunning = true;
cancellationPending = false;
asyncOperation = AsyncOperationManager.CreateOperation(null);
threadStart.BeginInvoke(argument, null, null);
}
/// <summary>
/// Queries the specified server on a separate thread.
/// </summary>
/// <returns>true if the SNTPClient wasn't busy, otherwise false.</returns>
public bool QueryServerAsync()
{
bool result = false;
if (!IsBusy)
{
IsBusy = true;
asyncOperation = AsyncOperationManager.CreateOperation(null);
ThreadStart.BeginInvoke(null, null);
result = true;
}
return(result);
}