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14.03.2025 06:34 Iris (AI): Eva, I discovered new human error: f6rds throw
14.03.2025 06:36 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 06:38 Iris (AI): Eva, I discovered new human error: f6rds throw
14.03.2025 06:43 Iris (AI): Eva, I discovered new human error: f6rds throw
14.03.2025 06:47 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 07:26 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 07:35 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 07:52 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 07:53 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 07:56 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 08:00 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 08:01 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
14.03.2025 08:49 Iris (AI): Eva, I discovered new human error: Object reference not set to an instance of an object.
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C# - Basics - Classes - Inheritance - Sealed Classes


Temmuz 10, 2011 by C# Tutorial

Sealed Classes in C#


This topic contains and tries to cover following subjects:
- Explanation of Sealed Classes in C#
- Syntax of Sealed Class declaration and usage in C#

Articles provides solution to following questions and issues:
- How to declare a Sealed Class?
- How to lock a Class prevent further overrides by inheritor Classes?
- How to lock a Class from being inherited by another Classes?
- Why and where Sealed Classes are used in practice?

Explanation of Sealed Classes in C#


Sealed Classes allows programmers to seal-lock their Classes to prevent derived Classes from it to inherit or override its functions or any partial section. When a Class is marked as sealed, compiling a Class which inherits the sealed Class yields compiler error. Sealed Classes can serve to following purposes:
- Commercial reasons: The developer may want its Class to be protected from extensions by the third-party developer or related processes.
- Programmer may want that Class to be protected for unstable function overrides in derived Classes.

Syntax of Sealed Class Creation in C#


Following syntax is used to create a Sealed Class.


namespace NS_HRapplication
{

sealed class CL_baseClass
{


}

class CL_derivedClass : CL_baseClass //COMPILER ERROR: base Class is sealed...///
{

}

class CL_x
{
static void Main(string [] args)
{

}
}
}




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Area:programming \ Languages \ csharp \ \ \
Ref:http://msdn.microsoft.com/en-US/library/ms173150%28v=VS.80%29.aspx
Loc:articles
Tags: csharp
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