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Globals/MultiPolygonPunten.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using GeoJSON.Net.Geometry;
 
@@ -35,5 +36,12 @@ namespace Globals
             MinimumX = polygonPunten.Max(p => p.MinimumX);
             MinimumY = polygonPunten.Max(p => p.MinimumY);
         }
+
+
+        public override string ToString()
+        {
+            if (string.Equals(Naam, "", StringComparison.Ordinal)) return "UNKNOWN";
+            else return Naam;
+        }
     }
 }

Globals/PolygonPunten.cs

@@ -44,6 +44,11 @@ namespace Globals
             }
         }
 
+        public override string ToString()
+        {
+            if (string.Equals(Naam, "", StringComparison.Ordinal)) return "UNKNOWN";
+            else return Naam;
+        }
     }
 }