Referenced project gets and sets data from parent project - C#

parentProject-pass-to-RefProject.cs

namespace ReferencedProject
{
	public class ReferencedClass
	{
		// use public static Properties in a non static class to pass and set in parent project
		public static int LocId;
		public static int DeviceTag;
    }
  }
  
  namespace ParentProject {
  
  // must set properties in non static class
  
  public class ParentClass {
  int locId = 4;
  int deviceTag = 300;
  
  // Pass to child project
  ReferencedClass.LocId = locId;
  ReferencedClass.DeviceTag = deviceTag;
    }
   }
  }