Tools for graphs were added

StructureHelperCommon/Models/Parameters/IValueParameter.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Media;
+
+namespace StructureHelperCommon.Models.Parameters
+{
+    public interface IValueParameter<T>
+    {
+        bool IsValid { get; set; }
+        string Name { get; set; }
+        string ShortName { get; set; }
+        Color Color { get; set; }
+        string MeasurementUnit { get; set; }
+        T Value { get; set; }
+        string Description { get; set; }
+    }
+}