Register application listener after the control's

examples/cache-write.js

@@ -8,13 +8,10 @@ function init() {
         div: "map",
         projection: "EPSG:900913",
         layers: [
-            new OpenLayers.Layer.WMS("OSGeo", "http://vmap0.tiles.osgeo.org/wms/vmap0", {
-                layers: "basic"
-            }, {
-                eventListeners: {
-                    tileloaded: updateStatus
-                }
-            })
+            new OpenLayers.Layer.WMS(
+                "OSGeo", "http://vmap0.tiles.osgeo.org/wms/vmap0",
+                {layers: "basic"}
+            )
         ],
         center: [0, 0],
         zoom: 1
@@ -38,6 +35,7 @@ function init() {
     };
 
     // update the number of cached tiles and detect local storage support
+    map.layers[0].events.on({'tileloaded': updateStatus});
     function updateStatus() {
         if (window.localStorage) {
             status.innerHTML = localStorage.length + " entries in cache.";