I have made an Add-in in C# to cutomize my arc GIS. I want to get the number of adject polygens in the shapfile.Can any body help me out or provide me the code how to find out the adjust polygens.

[ManishNagar]

I have made an Add-in in C#  to cutomize my arc GIS. I want to get the number of adject polygens in the shapfile.Can any body help me out or provide me the code how to find out the adjust polygens.