Add logic for import of combination from xls files

StructureHelperCommon/Models/Forces/ColumnProperty.cs

@@ -6,20 +6,34 @@ using System.Threading.Tasks;
 
 namespace StructureHelperCommon.Models.Forces
 {
+    /// <inheritdoc/>
     public class ColumnProperty : IColumnProperty
     {
+        /// <inheritdoc/>
         public Guid Id { get; private set; }
-        public string ColumnName { get; set; } = string.Empty;
-        public int ColumnIndex { get; set; } = 0;
-        public double ColumnFactor { get; set; } = 1d;
+        /// <inheritdoc/>
+        public string Name { get; set; }
+        /// <inheritdoc/>
+        public string SearchingName { get; set; } = string.Empty;
+        /// <inheritdoc/>
+        public int Index { get; set; } = 0;
+        /// <inheritdoc/>
+        public double Factor { get; set; } = 1d;
+
         public ColumnProperty(Guid id, string columnName)
         {
             Id = id;
-            ColumnName = columnName;
+            Name = columnName;
         }
         public ColumnProperty(string columnName) : this(Guid.NewGuid(), columnName)
         {
             
         }
+
+        public object Clone()
+        {
+            var cloneLogic = new ColumnPropertyCloningStrategy();
+            return cloneLogic.GetClone(this);
+        }
     }
 }