Shell extension for .NET assembly inspection

[Ian Thomas]

Long ago, I installed a very useful little shell extension (ie, for Windows
Explorer) that displayed simple info about .NET DLLs on the DLL's property
sheet or as a displayed field in the Explorer browser i/f itself. 
Suffice to say I don't have it installed now, and can't even remember its
name. 
Can anyone point to something useful he/she has used? A Win7 + WinXP
-compatible install would be preferable. 
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Ian Thomas
Victoria Park, Western Australia