Struct and Inheritance

Question

User1904516115 posted

Why Struct does not support inheritance?

Answer 1

User632428103 posted

Hello,

read this response :

https://stackoverflow.com/questions/2310103/why-c-sharp-structs-cannot-be-inherited

Answer 2

User1120430333 posted

Why Struct does not support inheritance?

https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/structs

<copied>

A struct cannot inherit from another struct or class, and it cannot be the base of a class. All structs inherit directly from ValueType, which inherits from Object.

<end>

Answer 3

User-1174608757 posted

Hi vinodkpasi 

  Essentially,Struct is a type of value, is not a type of reference.It is obvious that  type Int can't  inheritance a class.

 Another point is that struct has fixed size, Assuming that struct could  Inheritance   struct, So we could write as below: 

struct Point {public int X; public int Y; } // 8 bytes
struct Point3D : Point {public int X; } // 12 bytes
Point[] points = new Point[5];
//so we could write as 
points[0] = new Point3D();

 However ,It is obvious that we couldn't put the variable which is 12 bytes to another which is 8  bytes.

Best regards 

Wei Zhang.