Refactoring: add some button icons

DataAccess/DTOs/DTOEntities/ForceCombinationByFactorDTO.cs

@@ -1,4 +1,5 @@
 using Newtonsoft.Json;
+using StructureHelperCommon.Infrastructures.Enums;
 using StructureHelperCommon.Models.Forces;
 using StructureHelperCommon.Models.Shapes;
 using System;
@@ -15,6 +16,10 @@ namespace DataAccess.DTOs
         public Guid Id { get; set; }
         [JsonProperty("Name")]
         public string Name { get; set; }
+        [JsonProperty("LimitState")]
+        public LimitStates LimitState { get; set; } = LimitStates.SLS;
+        [JsonProperty("CalcTerm")]
+        public CalcTerms CalcTerm { get; set; } = CalcTerms.ShortTerm;
         [JsonProperty("FullSLSForces")]
         public IForceTuple FullSLSForces { get; set; } = new ForceTupleDTO();
         [JsonProperty("ULSFactor")]
@@ -26,13 +31,17 @@ namespace DataAccess.DTOs
         [JsonProperty("ForcePoint")]
         public IPoint2D ForcePoint { get; set; } = new Point2DDTO();
 
-
         public object Clone()
         {
             throw new NotImplementedException();
         }
 
-        public IForceCombinationList GetCombinations()
+        public IForceCombinationList GetCombination()
+        {
+            throw new NotImplementedException();
+        }
+
+        public List<IForceCombinationList> GetCombinations()
         {
             throw new NotImplementedException();
         }