NGWS SDK Documentation  

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Compiler Error CS1579

foreach statement cannot operate on variables of type 'type1' because 'type2' does not contain a definition for 'member', or it is inaccessible

A data type (type1) does not contain a member that allows foreach to iterate through type2.

The following sample generates CS1579:

using System;
public class C1 {
   public int GetEnumerator () {
      return 0;
   }
}
    
public class MainClass {
   public static void Main () {
      C1 c1 = new C1();
      foreach (int x in c1) {   // CS1579
      }
   }
}