<div dir="ltr">I had the same problem with asynchronous operations but only when I do it in a GUI layer like winforms or WPF.<br>To get around that I used ThreadPool.QueueUserWorkItem<br clear="all"><br>
<br><br><div class="gmail_quote">On Thu, Sep 11, 2008 at 11:32 AM, Knic Knic <span dir="ltr"><<a href="mailto:oneeyedelf1@gmail.com">oneeyedelf1@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div dir="ltr"><p>I am trying to get asynchronous delegates to work in 1.1.2 and 2.0 beta3, both fail for me, here is what I am trying to do<br></p><p></p><p>from IronPython.Runtime.Calls import CallTarget0<br><br>def printHi():<br>
print 'hi'<br><br>delegate = CallTarget0(printHi)<br>async_result = delegate.BeginInvoke(None, None)<br>delegate.EndInvoke(async_result)<br></p><p>Here is what I get: </p><p>Traceback (most recent call last):<br>
File , line 0, in <stdin>##22<br> File , line 0, in EndInvoke##23<br>SystemError: Object reference not set to an instance of an object.<br><br></p></div>
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