Can I use C++ for VC programming development instead of C# , Is there any example how to implement the new feature or functioning tab to VC product with C++?
It is a .NET API so in theory you could use any of the CLI languages for your plugins.
I know that at least VB.NET has been used successfully. C++/CLI also exists, but I really wouldn’t recommend it over C# unless you have some large C++ libraries you have to use in your plugin.
I haven’t seen any examples made with other than C#, but generally the .NET concepts are the same, just syntax differs and that you can learn from general online resources.