mcs/errors/cs0506.cs

   1 // CS0506: `DerivedClass.Show()': cannot override inherited member `BaseClass.Show()' because it is not marked virtual, abstract or override
   2 // Line: 9
   3
   4 class BaseClass {
   5         protected void Show () {}
   6 }
   7
   8 class DerivedClass: BaseClass {
   9         protected override void Show () {}
  10 }
  11