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diff --git a/Samples/CrowIDE/src/MemberView/PropertyContainer.cs b/Samples/CrowIDE/src/MemberView/PropertyContainer.cs
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+++ b/Samples/CrowIDE/src/MemberView/PropertyContainer.cs
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+//
+// PropertyContainer.cs
+//
+// Author:
+//       Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// Copyright (c) 2013-2017 Jean-Philippe Bruyère
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+using System;
+using System.Reflection;
+using System.Linq;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.ComponentModel;
+
+namespace Crow.Coding
+{	
+	public class PropertyContainer : IValueChange
+	{
+		#region IValueChange implementation
+		public event EventHandler<ValueChangeEventArgs> ValueChanged;
+		public virtual void NotifyValueChanged(string MemberName, object _value)
+		{
+			ValueChanged.Raise(this, new ValueChangeEventArgs(MemberName, _value));
+		}
+		#endregion
+
+		PropertyInfo pi;
+		MembersView mview;
+		Command cmdReset, cmdGoToStyle;
+
+		public List<Crow.Command> Commands;
+
+		#region CTOR
+		public PropertyContainer(MembersView mv, PropertyInfo prop){
+			mview = mv;
+			pi = prop;
+
+			cmdReset = new Crow.Command (new Action (() => Reset ())) { Caption = "Reset to default" };
+			cmdGoToStyle = new Crow.Command (new Action (() => GotoStyle ())) { Caption = "Goto style" };
+
+			Commands = new List<Crow.Command> (new Crow.Command[] { cmdReset, cmdGoToStyle });
+		}
+		#endregion
+
+		public string DesignCategory {
+			get {
+				DesignCategory dca = (DesignCategory)pi.GetCustomAttribute (typeof(DesignCategory));
+				return dca == null ? "Divers" : dca.Name;					
+			}
+		}
+		public string Name { get { return pi.Name; }}
+		public object Value {
+			get {
+				return mview.ProjectNode?.SelectedItem == null ? null : pi.GetValue(mview.ProjectNode.SelectedItem);
+			}
+			set {
+				try {
+					if (value == Value)
+						return;
+					Widget g = Instance;
+					string valstr = null, oldval = null;
+
+					if (value != null)
+						valstr = value.ToString();
+
+					if (HasStyling)
+						oldval = g.design_style_values[Name];
+					else if (HasDefaultValue)
+						oldval = DefaultValue?.ToString();
+					else if (IsSetByIML)
+						oldval = g.design_iml_values [Name];
+					
+					if (valstr == oldval){
+						if (IsSetByIML){
+							g.design_iml_values.Remove(Name);
+							Debug.WriteLine("iml attrib removed {0}.{1}", g.Name, Name);
+						}else
+							return;
+					}else{
+						if (IsSetByIML){
+							g.design_iml_values [Name] = valstr;
+							Debug.WriteLine("iml update {0}.{1} = {2}", g.Name, Name, valstr);
+						}else{
+							g.design_iml_values.Add(Name,valstr);
+							Debug.WriteLine("iml add {0}.{1} = {2}", g.Name, Name, valstr);
+						}
+					}
+
+					if (!pi.PropertyType.IsAssignableFrom(value.GetType()) && pi.PropertyType != typeof(string)){
+						if (pi.PropertyType.IsEnum) {
+							if (value is string) {
+								pi.SetValue (g, Enum.Parse (pi.PropertyType, (string)value));
+							}else
+								pi.SetValue (g, value);
+						} else {
+							MethodInfo me = pi.PropertyType.GetMethod
+								("Parse", BindingFlags.Static | BindingFlags.Public,
+									System.Type.DefaultBinder, new Type [] {typeof (string)},null);
+							pi.SetValue (g, me.Invoke (null, new object[] { value }), null);
+						}
+					}else
+						pi.SetValue(g, value);
+
+					Debug.WriteLine("\t\tPropContainer set design_dirty to instance");
+
+					mview.ProjectNode.Instance.design_HasChanged = true;
+					NotifyValueChanged ("Value", value);
+					NotifyValueChanged ("LabForeground", LabForeground);
+				} catch (Exception ex) {
+					Debug.WriteLine ("Error setting property:"+ ex.ToString());
+				}
+				//
+			}
+		}
+		/// <summary>
+		/// for style attribute which is a string, return Style as type
+		/// </summary>
+		public string Type { get { return pi.PropertyType.IsEnum ?
+				"System.Enum"
+					: pi.Name == "Style" ? "Style" : pi.PropertyType.FullName; }}
+		
+		public object[] Choices {
+			get {
+				return pi.PropertyType.IsEnum ?
+					Enum.GetValues (pi.PropertyType).Cast<object>().ToArray() :
+					mview.ProjectNode.Project.solution.AvailaibleStyles;
+			}
+		}
+		/// <summary>
+		/// Current graphicobject instance
+		/// </summary>
+		public Widget Instance {
+			get { return mview.ProjectNode.SelectedItem as Widget; }
+		}
+		public object DefaultValue {
+			get { return ((DefaultValueAttribute)(pi.GetCustomAttribute (typeof (DefaultValueAttribute)))).Value; }
+		}
+		public bool HasDefaultValue {
+			get { return pi.GetCustomAttribute (typeof(DefaultValueAttribute))!=null; }
+		}
+		/// <summary>
+		/// return true if current value comes from IML attributes
+		/// </summary>
+		public bool IsSetByIML {
+			get { return Instance.design_iml_values.ContainsKey (Name); }
+		}
+		/// <summary>
+		/// return true if member default value comes from style
+		/// </summary>
+		public bool HasStyling {
+			get { return Instance.design_style_locations.ContainsKey(Name); }
+		}
+		/// <summary>
+		/// Return true if current value comes from styling
+		/// </summary>
+		public bool IsSetByStyling {
+			get { return IsSetByIML ? false : HasStyling; }
+		}
+
+
+		public Fill LabForeground {
+			get { return IsSetByIML ? Color.DarkBlue : HasStyling ? Color.Black : Color.Grey;}
+		}
+
+		/// <summary>
+		/// reset to default value
+		/// </summary>
+		public void Reset () {
+			Widget inst = mview.ProjectNode.SelectedItem as Widget;
+			if (!inst.design_iml_values.ContainsKey (Name))
+				return;
+			inst.design_iml_values.Remove (Name);
+
+			NotifyValueChanged ("LabForeground", LabForeground);
+			mview.ProjectNode.UpdateSource(this, mview.ProjectNode.Instance.GetIML());
+			//mview.ProjectNode.Instance.design_HasChanged = true;
+			//should reinstantiate to get default
+		}
+		public void GotoStyle(){
+			Widget g = Instance;
+			if (!g.design_style_locations.ContainsKey (Name))
+				return;
+			FileLocation fl = g.design_style_locations [Name];
+			ProjectFile pf;
+			if (!mview.ProjectNode.Project.TryGetProjectFileFromPath ("#" + fl.FilePath, out pf))
+				return;
+
+			if (!pf.IsOpened)
+				pf.Open ();
+
+			pf.CurrentLine = fl.Line;
+			pf.CurrentColumn = fl.Column;
+
+			pf.IsSelected = true;
+
+		}
+
+		public override string ToString ()
+		{
+			return string.Format ("{0} = {1}", Name, Value);
+		}
+	}
+}
+