Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/PropertyClasses/GrassCoverErosionInwardsFailureMechanismContextProperties.cs
===================================================================
diff -u -r3c1ed9049be26ab9460bf2192c55149c45fbba3c -r26359a31a29af21b6690cacd9b810b1565af9e4b
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/PropertyClasses/GrassCoverErosionInwardsFailureMechanismContextProperties.cs	(.../GrassCoverErosionInwardsFailureMechanismContextProperties.cs)	(revision 3c1ed9049be26ab9460bf2192c55149c45fbba3c)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/PropertyClasses/GrassCoverErosionInwardsFailureMechanismContextProperties.cs	(.../GrassCoverErosionInwardsFailureMechanismContextProperties.cs)	(revision 26359a31a29af21b6690cacd9b810b1565af9e4b)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System.ComponentModel;
 using Core.Common.Gui.Attributes;
 using Core.Common.Gui.PropertyBag;
 using Core.Common.Utils.Attributes;
@@ -93,59 +94,63 @@
         #region Model settings
 
         [PropertyOrder(frunupModelFactorPropertyIndex)]
+        [TypeConverter(typeof(ExpandableObjectConverter))]
         [ResourcesCategory(typeof(Resources), "Categories_ModelSettings")]
         [ResourcesDisplayName(typeof(Resources), "GrassCoverErosionInwardsInput_FrunupModelFactor_DisplayName")]
         [ResourcesDescription(typeof(Resources), "GrassCoverErosionInwardsInput_FrunupModelFactor_Description")]
-        public ReadOnlyNormalDistributionProperties FrunupModelFactor
+        public NormalDistributionProperties FrunupModelFactor
         {
             get
             {
-                return new ReadOnlyNormalDistributionProperties
+                return new NormalDistributionProperties
                 {
                     Data = data.WrappedData.GeneralInput.FrunupModelFactor
                 };
             }
         }
 
         [PropertyOrder(fbFactorPropertyIndex)]
+        [TypeConverter(typeof(ExpandableObjectConverter))]
         [ResourcesCategory(typeof(Resources), "Categories_ModelSettings")]
         [ResourcesDisplayName(typeof(Resources), "GrassCoverErosionInwardsInput_FbFactor_DisplayName")]
         [ResourcesDescription(typeof(Resources), "GrassCoverErosionInwardsInput_FbFactor_Description")]
-        public ReadOnlyNormalDistributionProperties FbFactor
+        public NormalDistributionProperties FbFactor
         {
             get
             {
-                return new ReadOnlyNormalDistributionProperties
+                return new NormalDistributionProperties
                 {
                     Data = data.WrappedData.GeneralInput.FbFactor
                 };
             }
         }
 
         [PropertyOrder(fnFactorPropertyIndex)]
+        [TypeConverter(typeof(ExpandableObjectConverter))]
         [ResourcesCategory(typeof(Resources), "Categories_ModelSettings")]
         [ResourcesDisplayName(typeof(Resources), "GrassCoverErosionInwardsInput_FnFactor_DisplayName")]
         [ResourcesDescription(typeof(Resources), "GrassCoverErosionInwardsInput_FnFactor_Description")]
-        public ReadOnlyNormalDistributionProperties FnFactor
+        public NormalDistributionProperties FnFactor
         {
             get
             {
-                return new ReadOnlyNormalDistributionProperties
+                return new NormalDistributionProperties
                 {
                     Data = data.WrappedData.GeneralInput.FnFactor
                 };
             }
         }
 
         [PropertyOrder(fshallowModelFactorPropertyIndex)]
+        [TypeConverter(typeof(ExpandableObjectConverter))]
         [ResourcesCategory(typeof(Resources), "Categories_ModelSettings")]
         [ResourcesDisplayName(typeof(Resources), "GrassCoverErosionInwardsInput_FshallowModelFactor_DisplayName")]
         [ResourcesDescription(typeof(Resources), "GrassCoverErosionInwardsInput_FshallowModelFactor_Description")]
-        public ReadOnlyNormalDistributionProperties FshallowModelFactor
+        public NormalDistributionProperties FshallowModelFactor
         {
             get
             {
-                return new ReadOnlyNormalDistributionProperties
+                return new NormalDistributionProperties
                 {
                     Data = data.WrappedData.GeneralInput.FshallowModelFactor
                 };