If we do mscoree.dll we have the same nice double-clicking effect like .net has on windows. to see how it works view the image: http://msdn.microsoft.com/library/en-us/dnmag01/html/clrfig01.gif and see: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnmag01/htm l/clr.asp