Problems after de-serializing...

[mookid8000]

Good day group!

I have created a nice filtering plugin system, where all filters derive
from a Filter class, and they pass a PictureData object between them.

I have a problem though. I am able to save the filter setup by
serializing the filter chain to a file, and there seems to be no
problems when de-serializing, as the filter chain will seem to
re-generate properly.

But problems arise when I add a new filter to the de-serialized chain -
it will not recognize the de-serialized PictureData object as being of
the same type of the PictureData object passed to it.

Does anybody have any experience with this kind of problem?

Thanks in advance.

[mookid8000]

By the way (I forgot to add some information): I'm using VS2005 / .NET
2.0.

The classes Filter and PictureData have their own project, and are
compiled into a DLL which is shared with some other projects.

And the problem does NOT arise because I rebuilt the DLL between doing
the serializing and the de-serializing.

And I should add that there are NO problems when I use "builtin" types,
like e.g. System.Drawing.Bitmap.

[mookid8000]

I have solved the problem (not knowing exactly what caused it, which is
frustrating):

Just moved the PictureData class definition to its own project/DLL...

If someone can explain this, explanations are welcome!

[Nicholas Paldino [.NET/C# MVP]]

I would think that it has something to do with the fact that the filters
and the picture data are not loaded before serialization. I'm just guessing
here.

If you could post an example, it would help in figuring it out.

Hope this helps.

--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard.caspershouse.com

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I have solved the problem (not knowing exactly what caused it, which is
frustrating):

Just moved the PictureData class definition to its own project/DLL...

If someone can explain this, explanations are welcome!

[mtramullas]

Are you using the XML serializer provided by the .NET?