C# is a simple, modern, general-purpose, object-oriented programming language developed by Microsoft within its .NET initiative led by Anders Hejlsberg.
C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. C++ runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.
The following are some of the features of C++ missing in C# −
In C#, Multiple Inheritance is not possible, whereas C++ can easily implement Multiple Inheritance.
In C++, you need to manage memory manually and must allocate and deallocate memory for your objects.
C++ can create standalone applications, whereas C# cannot.
The test variable cannot be a string in a switch statement in C#.
C++ is a programming language that runs on all platforms, whereas C# is rarely implemented outside Windows.