There's a thread on SO[^] that talks about sharing stuff between projects. You'd typically put the shared functionality in a project, and reference that (and invoke it) from your addin-project. Bastard Programmer from Hell :suss: If you can't read my code, try converting it here[^]

Sorry again, I wanted to correct my mistake, so i wanted to remove this question from two forums, but i could not able to do it. Can you please help me in removing this post from below 2 forums. http://www.codeproject.com/Messages/4672977/Visual-Studio-Add-in-2012.aspx\[^\] http://www.codeproject.com/Messages/4672976/Visual-Studio-Add-in-2012.aspx\[^\] Thank you

You have posted exactly the same message in three forums on this site: http://www.codeproject.com/Messages/4672978/Visual-Studio-Add-in-2012.aspx[^] http://www.codeproject.com/Messages/4672977/Visual-Studio-Add-in-2012.aspx[^] http://www.codeproject.com/Messages/4672976/Visual-Studio-Add-in-2012.aspx[^] Please don't cross-post like that. It's not considered polite. "These people looked deep within my soul and assigned me a number based on the order in which I joined." - Homer

For me it is crashing when I am changing BSTR to VT_I4 with change type , can you please give me the solution if you found? My code looks like: varValue.ChangeType(VT_I4); //_variant_t varValue is BSTR where varValue is BSTR type and it is null, how can we change in this situation?