Adding short non generic version

Experiments/ExternalActionManager/DemoBot/ActionManager/Actions/GuidAction.cs

@@ -152,6 +152,22 @@ namespace DemoBot.ActionManager.Actions
             manager.Add(new GuidAction<TForm>(method, action));
         }
 
+        public static void AddGuidAction(this ExternalActionManager manager, Type formType, string value, Expression<Func<FormBase, Guid>> propertySelector)
+        {
+            if (!typeof(FormBase).IsAssignableFrom(formType))
+            {
+                throw new ArgumentException($"{nameof(formType)} argument must be a {nameof(FormBase)} type");
+            }
+
+            var newValue = Expression.Parameter(propertySelector.Body.Type);
+
+            var assign = Expression.Lambda<Action<FormBase, Guid>>(Expression.Assign(propertySelector.Body, newValue), propertySelector.Parameters[0], newValue);
+
+            var setter = assign.Compile(true);
+
+            manager.Add(new GuidAction(formType, value, setter));
+        }
+
         public static void AddGuidAction(this ExternalActionManager manager, Type formType, string method, Action<FormBase, Guid> action)
         {
             if (!typeof(FormBase).IsAssignableFrom(formType))

Experiments/ExternalActionManager/DemoBot/ActionManager/Actions/StartWithAction.cs

@@ -129,6 +129,22 @@ namespace DemoBot.ActionManager.Actions
             manager.Add(new StartWithAction<TForm>(value, setProperty));
         }
 
+        public static void AddStartsWithAction(this ExternalActionManager manager, Type formType, string value, Expression<Func<FormBase, String>> propertySelector)
+        {
+            if (!typeof(FormBase).IsAssignableFrom(formType))
+            {
+                throw new ArgumentException($"{nameof(formType)} argument must be a {nameof(FormBase)} type");
+            }
+
+            var newValue = Expression.Parameter(propertySelector.Body.Type);
+
+            var assign = Expression.Lambda<Action<FormBase, String>>(Expression.Assign(propertySelector.Body, newValue), propertySelector.Parameters[0], newValue);
+
+            var setter = assign.Compile(true);
+
+            manager.Add(new StartWithAction(formType, value, setter));
+        }
+
         public static void AddStartsWithAction(this ExternalActionManager manager, Type formType, string value, Action<FormBase, String> setProperty)
         {
             if (!typeof(FormBase).IsAssignableFrom(formType))

Experiments/ExternalActionManager/DemoBot/Program.cs

@@ -81,17 +81,8 @@ namespace DemoBot
                 //Waiting for input starting with 'a_'
                 config.AddStartsWithAction<HiddenForm>("a_", a => a.value);
 
-
+                //Waiting for input starting with 't_' (Non generic version)
-                //Waiting for input starting with 't_'
+                config.AddStartsWithAction(typeof(HiddenForm), "t_", a => ((HiddenForm)a).value);
-                config.AddStartsWithAction(typeof(HiddenForm), "t_", (a, b) =>
-                {
-                    var hf = a as HiddenForm;
-                    if (hf == null)
-                        return;
-
-                    hf.value = b;
-                });
-
 
                 //Deserialize input and waiting for the method property to has value 'tickets'
                 config.AddGuidAction<HiddenTicketForm>("tickets", a => a.ticketId);