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Saturday, September 26, 2009

Fun with Deserialization

More fun serialization, this time with deserialization.

Currently working on a .net project whose feature set will allow my to replace some older third party libraries used in a VB6 project that do not work properly under Vista 64bit edition.

Things that I have successfully completed:
  • Replaced Microsoft IE6 era Web browser control with a .net webbrowser control in a winform.
  • Replaced functionality of Microsoft Internet transfer control to download online files.
  • Successfully extended Google Picasa API and Blogger API to VB6 through COM interop type library
  • Successfully implemented binary serialization of Picasa and Blogger caching the data locally.
DRCWinformUI.DLL - COM Interop assembly exposing methods/events for use in VB6 project
PicasaBloggerUserControls.DLL - .net 2.0 framework

Now to the problem: Deserialization:

Implemented code to de-serialize objects, which works fine in .net test app, but fails over COM:
SerializationException: Cannot find assembly...

Found the following articles:
Excellent article from http://spazzarama.wordpress.com/ describing the exact same problem:

C# – BinaryFormatter.Deserialize is “Unable to find assembly”


Documentation for SerializationBinder Class

I must give props to a co-worker Tom G. who pointed me in the correct direction of properly resolving the assembly by name. A problem that was solved at work on another project.

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