NGWS SDK Documentation  

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Compiler Error CS0571

'function' : cannot explicitly call operator or accessor

Certain operators have internal names. For example, op_Increment is the internal name of the ++ operator. You should not use or explicitly call such method names.

The following sample generates CS0571:

public class MyClass {
   public static MyClass operator ++ (MyClass c) {
      return null; 
}

public static int prop {
   get { 
      return 1; 
   }
   
   set {
   }
}

public static void Main() {
   op_Increment(null);   // CS0571
   // use the increment operator as follows
   // MyClass x = new MyClass();
   // x++;

   set_prop(1);      // CS0571
   // try the following line instead
   // prop = 1;
   }
}