To get this to work in Revit 2015:
Change Start external program to C:\Program Files\Autodesk\Revit 2015\Revit.exe
Edit your Post-build command line to this:
copy "$(ProjectDir)ADNPlugin-StringSearch.addin" "$(AppData)\Autodesk\REVIT\Addins\2015"
copy "$(ProjectDir)bin\debug\ADNPlugin-StringSearch.dll" "$(AppData)\Autodesk\REVIT\Addins\2015"
To get this to work in Revit 2015: Change Start external program to C:\Program Files\Autodesk\Revit 2015\Revit.exe
Edit your Post-build command line to this: copy "$(ProjectDir)ADNPlugin-StringSearch.addin" "$(AppData)\Autodesk\REVIT\Addins\2015" copy "$(ProjectDir)bin\debug\ADNPlugin-StringSearch.dll" "$(AppData)\Autodesk\REVIT\Addins\2015"