Window of calcultion's property is added

StructureHelperLogics/Models/Calculations/CalculationsResults/CalculationResult.cs

@@ -0,0 +1,18 @@
+using LoaderCalculator.Data.ResultData;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StructureHelperLogics.Models.Calculations.CalculationsResults
+{
+    /// <inheritdoc/>
+    class CalculationResult : ICalculationResult
+    {
+        /// <inheritdoc/>
+        public bool IsValid { get; set; }
+        /// <inheritdoc/>
+        public string Desctription { get; set; }
+        /// <inheritdoc/>
+        public ILoaderResults LoaderResults { get; set; }
+    }
+}

StructureHelperLogics/Models/Calculations/CalculationsResults/ICalculationResult.cs

@@ -0,0 +1,26 @@
+using LoaderCalculator.Data.ResultData;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StructureHelperLogics.Models.Calculations.CalculationsResults
+{
+    /// <summary>
+    /// Represent result of calculation of ndm analisys
+    /// </summary>
+    public interface ICalculationResult
+    {
+        /// <summary>
+        /// True if result of calculation is valid
+        /// </summary>
+        bool IsValid { get; }
+        /// <summary>
+        /// Text of result of calculations
+        /// </summary>
+        string Desctription { get; }
+        /// <summary>
+        /// Keep result of calculations from ndm-library
+        /// </summary>
+        ILoaderResults LoaderResults { get; }
+    }
+}