Compiler Error CS1521

Invalid base type

A base class specification was ill formed.

The following sample generates CS1521:

// CS1521.cs  
class CMyClass  
{  
   public static void Main()  
   {  
   }  
}  
  
class CMyClass1 : CMyClass     // OK  
{  
}  
  
class CMyClass2 : CMyClass[]   // CS1521  
{  
}  
  
class CMyClass3 : CMyClass*    // CS1521  
{  
}