A bit of quality time with Reflector shows that there's a _viewletsProxy object which hasn't been initialized. You probably need to call VSLabFSICore.Viewlets.Init() first. It's static, and in the vslabfsicore module.<br>
<br>
<div class="gmail_quote">On Thu, Jun 26, 2008 at 2:58 PM, Michael Foord <<a href="mailto:fuzzyman@voidspace.org.uk">fuzzyman@voidspace.org.uk</a>> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">The viewlets that come with VSLab look *really* cool. They're based on F# so I decided to see if they could be used from IronPython.<br>
<br><a href="http://www.codeplex.com/vslab" target="_blank">http://www.codeplex.com/vslab</a><br><br>The dependencies are pretty hefty. You need F# installed *and* Managed DirectX (June 2008 SDK ~450mb seems to fulfil the dependency).<br>
<br>To get at the viewlet assemblies you need Visual Studio Pro installed as well, but they can be extracted from the VSLabs msi installer without VS Pro.<br><br>Ok, so with all the dependencies installed I attempt to use them - and *boom*. Anyone here got any ideas?<br>
<br>IronPython 2.0 Beta (2.0.0.3000) on .NET 2.0.50727.1434<br>Copyright (c) Microsoft Corporation. All rights reserved.<br>>>> import clr<br>>>> clr.AddReference('vslabfsicore')<br>>>> clr.AddReference('vslabviewlets')<br>
>>> clr.AddReference('vslabcore')<br>>>> from GraphViewlet import GraphControl<br>>>> g = GraphControl()<br>Traceback (most recent call last):<br> File "<stdin>", line 1, in <module><br>
File "vslabviewlets", line unknown, in .ctor<br> File "vslabfsicore", line unknown, in .ctor<br> File "System.Windows.Forms", line unknown, in get_Controls<br> File "System.Windows.Forms", line unknown, in get_Properties<br>
SystemError: Object reference not set to an instance of an object.<br><br><br>Interesting that the explosion is inside winforms. Referencing that assembly first makes knows difference.<br><br>Michael Foord<br><br><br>-- <br>
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