For the longest time, any unhandled exception in Paint.NET caused a generic “Oops sorry, go check the crash log on your desktop” error dialog. It’s not really that helpful, and it always points the blame in my direction even when it’s a plugin’s fault.

So, for v3.20 there is a real error dialog for this! If you’re running an effect or adjustment plugin and it doesn’t handle an exception, you’ll get the following dialog instead.

(quick digression: yes, command link buttons in v3.20 now look more like “real” command link buttons in Vista)

Clicking on the Error Details button will show the user details such as the file name of the plugin, its name, and the exception text. If the author implements a [PluginSupportInfo] attribute tag on the effect type and/or assembly, then additional information will be displayed such as author, copyright, and website URL.

If a plugin fails to load, you’ll get this:

Clicking on it reveals the reason why, although this text is really meant to serve as diagnostic information for the plugin author. I don’t expect non-developers to care about most of this except for maybe the file name.

In this case, Ed’s Surface Blur effect was deriving from a class in PaintDotNet.Effects.dll that was really only supposed to be used internally, and that is now using a different base class in v3.20. So his code is all confused and he will need to release an update. The other 10+ effects in his DLL’s still work fine though :)

Anyway, hopefully this will relieve my inbox a little and I won’t receive crash reports for plugins anymore.

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