/// <summary>
/// Runs the worker async.
/// </summary>
/// <param name="argument">The argument.</param>
public bool RunWorkerAsync(object argument)
{
if (this.IsBusy)
{
return(false);
}
_count++;
DoWorkEventArgs args = new DoWorkEventArgs(argument);
_eventHandler.BeginInvoke(this, args, _workerCallback, args);
return(true);
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// doworkeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this DoWorkEventHandler doworkeventhandler, Object sender, DoWorkEventArgs e, AsyncCallback callback)
{
if (doworkeventhandler == null)
{
throw new ArgumentNullException("doworkeventhandler");
}
return(doworkeventhandler.BeginInvoke(sender, e, callback, null));
}
void RunWorkerAsync(DoWorkEventHandler doWork, object argument)
{
m_CancelPending = false;
if (doWork != null)
{
DoWorkEventArgs args = new DoWorkEventArgs(argument);
AsyncCallback callback = new AsyncCallback(ReportCompletion);
doWork.BeginInvoke(this, args, callback, args);
}
}