Answer Posted / dotnetasit

The keywords 'internal' and 'protected' are access modifiers.
If any member in a class is qualified with access
modifier 'internal', then it is friend to the current assembly
but not outside of it. This means any member or class(but not
the dervied classes) within the current assembly can access it.

On the other hand, any member qualified with access
modifier 'protected' can be accessed by derived classes only.

I also want to tell about the combined access
modifier 'protected internal'. Any member qualified with
access modifier 'protected internal' is accessible to the
derived classes as well as to any member or class within the
same assembly. So in a way, this combined modifier extends the
scope of 'internal'.

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