Design and Code Review Checklist - scoping

Here is my scoping/access modifier cheat sheet.

Classes:

• Public Class - Access is not restricted.
• Private Class - Only valid for nested classes
• Internal Class - only visible to the assembly

Members:

• Private Member - only available to the containing type
• Protected Member - Available to the containing type and anything derived from the containing type.
• Internal Member - available to current assembly.
• Protected Internal Member - Available to current assembly or anything derived from containing type.
• Public Member - Access is not restricted

Valid Member Access Modifiers:

• Enum - public
• Interface - public
• Class - public, private, internal, protected, protected internal
• Struct - public, private, internal

Inheritance:

• Abstract class - cannot be instantiated. May have abstract and non abstract methods. Derived class must implement all abstract methods.
• Sealed Class - Cannot be inherited
• Virtual Method - may be overridden
• Abstract method - no implementation, must be overridden
• Sealed method - Cannot be overridden
• Sealed Override Method - No longer may be overridden. Public sealed override MyMeth()

 

(My design review checklist)

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