Index: src/Common/DelftTools.Controls.Swf/DataEditorGenerator/Metadata/FieldUIDescription.cs
===================================================================
diff -u -r8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9 -r5fc71a385897af92ccb092f2f969b5709afab85a
--- src/Common/DelftTools.Controls.Swf/DataEditorGenerator/Metadata/FieldUIDescription.cs	(.../FieldUIDescription.cs)	(revision 8f6ae890fed8e8eae3a32f9c0498a10f82e0ddf9)
+++ src/Common/DelftTools.Controls.Swf/DataEditorGenerator/Metadata/FieldUIDescription.cs	(.../FieldUIDescription.cs)	(revision 5fc71a385897af92ccb092f2f969b5709afab85a)
@@ -4,90 +4,104 @@
 {
     public class FieldUIDescription
     {
-        public FieldUIDescription(Func<object, object> getValueFunc, Action<object, object> setValueFunc,
-                                  Func<object, bool> isEnabledFunc = null, Func<object,bool> isVisibleFunc = null, Func<object, object, string> validationMethod = null)
-        {
-            this.getValueFunc = getValueFunc;
-            this.setValueFunc = setValueFunc;
-            this.isEnabledFunc = isEnabledFunc;
-            this.isVisibleFunc = isVisibleFunc;
-            this.validationMethod = validationMethod;
-        }
+        private readonly Func<object, object> getValueFunc;
+        private readonly Action<object, object> setValueFunc;
+        private readonly Func<object, bool> isEnabledFunc;
+        private readonly Func<object, bool> isVisibleFunc;
 
         public ICustomControlHelper CustomControlHelper;
         public string Name;
         public string Category;
         public string SubCategory;
         public string Label;
-        
+
         public string ToolTip;
         public string DocUrl;
 
         public bool IsReadOnly;
         public Type ValueType;
         public bool AlwaysRefresh;
-        
+
         //more.. eg Unit, etc
         public string UnitSymbol;
 
-        private readonly Func<object, object> getValueFunc;
-        private readonly Action<object, object> setValueFunc;
-        private readonly Func<object, bool> isEnabledFunc;
-        private readonly Func<object, bool> isVisibleFunc; 
-        private Func<object, object, string> validationMethod;
-
-        public Func<object, object, string> ValidationMethod
+        public FieldUIDescription(Func<object, object> getValueFunc, Action<object, object> setValueFunc,
+                                  Func<object, bool> isEnabledFunc = null, Func<object, bool> isVisibleFunc = null, Func<object, object, string> validationMethod = null)
         {
-            get { return validationMethod; }
-            set { validationMethod = value; }
+            this.getValueFunc = getValueFunc;
+            this.setValueFunc = setValueFunc;
+            this.isEnabledFunc = isEnabledFunc;
+            this.isVisibleFunc = isVisibleFunc;
+            this.ValidationMethod = validationMethod;
         }
 
+        public Func<object, object, string> ValidationMethod { get; set; }
+
         public bool HasDependencyFunctions
         {
-            get { return isEnabledFunc != null || isVisibleFunc != null; }
+            get
+            {
+                return isEnabledFunc != null || isVisibleFunc != null;
+            }
         }
 
         public object GetValue(object data)
         {
             if (getValueFunc == null)
+            {
                 throw new InvalidOperationException();
+            }
             return getValueFunc(data);
         }
 
         public void SetValue(object data, object value)
         {
             if (IsReadOnly)
+            {
                 throw new InvalidOperationException("readonly");
+            }
 
             if (setValueFunc == null)
+            {
                 throw new InvalidOperationException("setter not set");
+            }
 
             setValueFunc(data, value);
         }
 
         public bool IsEnabled(object data)
         {
             if (IsReadOnly)
+            {
                 return false;
+            }
             if (isEnabledFunc == null)
+            {
                 return true;
+            }
             return isEnabledFunc(data);
         }
 
         public bool IsVisible(object data)
         {
             if (IsReadOnly)
+            {
                 return false;
+            }
             if (isVisibleFunc == null)
+            {
                 return true;
+            }
             return isVisibleFunc(data);
         }
 
         public bool Validate(object data, object value, out string message)
         {
             message = "";
             if (ValidationMethod == null)
+            {
                 return true;
+            }
 
             message = ValidationMethod(data, value);
             return string.IsNullOrEmpty(message);