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Compiler Error CS0502

  • Artikel

'member' cannot be both abstract and sealed

A class member cannot be both abstract and sealed.

The following sample generates CS0502:

// CS0502.cs
public class B
{
   abstract public void F();
}

public class C : B
{
   abstract sealed override public void F()   // CS0502
   {
   }
}

public class CMain
{
    public static void Main()
    { }
}