I followed the steps to create a Visual Studio extension, however after installing the extension in VS2015, Visual Studio does not display any icons in toolbars in menus. Any id
I had same issue and it was resolved by just remove the ImageLibrary.cache file from
ImageLibrary.cache
C:\Users\< user ame>\AppData\Local\Microsoft\VisualStudio\14.0\ImageLibrary and re-open the visual studio
C:\Users\< user ame>\AppData\Local\Microsoft\VisualStudio\14.0\ImageLibrary