Add ForceCombinationPropertyUserControl

StructureHelperCommon/Models/Forces/IForceActionProperty.cs

@@ -0,0 +1,24 @@
+using StructureHelperCommon.Models.Shapes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Forces
+{
+    /// <summary>
+    /// Properties of force action
+    /// </summary>
+    public interface IForceActionProperty
+    {
+        /// <summary>
+        /// True means force action is put in center of gravity
+        /// </summary>
+        bool SetInGravityCenter { get; set; }
+        /// <summary>
+        /// Point of applying of force load
+        /// </summary>
+        IPoint2D ForcePoint { get; set; }
+    }
+}