Index: Core/Common/src/Core.Common.Gui/Forms/ViewManager/ViewResolver.cs
===================================================================
diff -u -r9d2bb4d5618592132638e924593253ad8caee1b0 -r593dcdd2ed0910dc71062e9fe5c38fe61a18ebdd
--- Core/Common/src/Core.Common.Gui/Forms/ViewManager/ViewResolver.cs	(.../ViewResolver.cs)	(revision 9d2bb4d5618592132638e924593253ad8caee1b0)
+++ Core/Common/src/Core.Common.Gui/Forms/ViewManager/ViewResolver.cs	(.../ViewResolver.cs)	(revision 593dcdd2ed0910dc71062e9fe5c38fe61a18ebdd)
@@ -119,9 +119,9 @@
             return CreateViewForData(data, viewInfoList[0]);
         }
 
-        public bool CanOpenViewFor(object data, Type viewType = null)
+        public bool CanOpenViewFor(object data)
         {
-            return data != null && GetViewInfosFor(data, viewType).Any();
+            return data != null && GetViewInfosFor(data).Any();
         }
 
         public IList<IView> GetViewsForData(object data)
@@ -291,7 +291,7 @@
 
             foreach (var view in viewsToCheck)
             {
-                var viewInfo = GetViewInfoForView(data, view);
+                var viewInfo = GetViewInfoForView(view);
 
                 if (IsViewData(view, data) && (extraCheck == null || extraCheck(view, viewInfo)))
                 {
@@ -302,7 +302,7 @@
 
         private bool IsViewData(IView view, object data)
         {
-            var viewInfo = GetViewInfoForView(data, view);
+            var viewInfo = GetViewInfoForView(view);
             return data.Equals(view.Data) || (IsDataForView(view, data) && Equals(viewInfo.GetViewData(data), view.Data));
         }
 
@@ -313,13 +313,13 @@
                 return false;
             }
 
-            var viewInfo = GetViewInfoForView(data, view);
+            var viewInfo = GetViewInfoForView(view);
             return viewInfo != null && data.GetType().Implements(viewInfo.DataType) && viewInfo.AdditionalDataCheck(data);
         }
 
-        private ViewInfo GetViewInfoForView(object data, IView view)
+        private ViewInfo GetViewInfoForView(IView view)
         {
-            return view.ViewInfo ?? (view.ViewInfo = GetViewInfosFor(data, view.GetType()).FirstOrDefault());
+            return viewInfos.FirstOrDefault(vi => vi.ViewType == view.GetType());
         }
 
         private void ClearDefaultView(object data)
Index: Core/Common/src/Core.Common.Gui/IViewResolver.cs
===================================================================
diff -u -r9d2bb4d5618592132638e924593253ad8caee1b0 -r593dcdd2ed0910dc71062e9fe5c38fe61a18ebdd
--- Core/Common/src/Core.Common.Gui/IViewResolver.cs	(.../IViewResolver.cs)	(revision 9d2bb4d5618592132638e924593253ad8caee1b0)
+++ Core/Common/src/Core.Common.Gui/IViewResolver.cs	(.../IViewResolver.cs)	(revision 593dcdd2ed0910dc71062e9fe5c38fe61a18ebdd)
@@ -38,9 +38,8 @@
         /// Check if a view can be created for the <paramref name="data"/> and <paramref name="viewType"/>
         /// </summary>
         /// <param name="data">The data to check for</param>
-        /// <param name="viewType">ViewType to use (if null then default will be used)</param>
         /// <returns></returns>
-        bool CanOpenViewFor(object data, Type viewType = null);
+        bool CanOpenViewFor(object data);
 
         /// <summary>
         /// Returns all currently opened views for the same data.