示例

// CS1511.cs
// compile with: /target:library
public class A
{
   public int j = 0;
}

class C : A
{
   public void Method()
   {
      base.j = 3;   // base allowed here
   }

   public static int StaticMethod()
   {
      base.j = 3;   // CS1511
      return 1;
   }
}