What are the Default Visibility Levels of C# Entities?

Default visibility of C# entities

Understanding the default visibility of C# classes, fields, methods, and other entities is critical to effective programming. Let's explore the default visibility levels of these elements without any explicit modifiers.

Classes and structures:

• Directly within the namespace: Inside (default)

Class and structure members:

• Nested classes and structures: private (default)

Interface:

• Directly within the namespace: Inside (default)

Delegation:

• Directly within the namespace: Inside (default)
• Nesting: Private (default)

Enumeration:

• Nesting: Public (default)

Top type:

• is not nested within other types: Inner (default)

Nested type:

成员类型	默认可见性
枚举	公共
类	私有
接口	公共
结构体	私有

It is important to note that for nested types, the default visibility depends on the member type. Understanding these default visibility levels can help ensure proper access control and maintain encapsulation in your C# code base.

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