Hello Dmitry,
U need to use Fusion API, which is undocumented :( http://support.microsoft.com/?kbid=317540
Mattias has a sample how to use it http://www.msjogren.net/dotnet/eng/samples/dotnet_gactool.asp
DN> Hi,
DN>
DN> How to programmatically enumerate all the assemblies in the GAC?
DN>
DN> thanks a lot.
DN>
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"The greatest danger for most of us is not that our aim is too high and we
miss it, but that it is too low and we reach it" (c) Michelangelo