In this blog post, you’ll learn more about the C# Compiler Error – CS0509 and the related message description
C# Compiler Error Code
CS0509
C# Compiler Description for the Code :CS0509
‘{0}’: cannot derive from sealed type ‘{1}’
In this blog post, you’ll learn more about the C# Compiler Error – CS0509 and the related message description
CS0509
‘{0}’: cannot derive from sealed type ‘{1}’
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