Tree graph commands in process

StructureHelper/Windows/TreeGraph/GetValueViewModel.cs

@@ -0,0 +1,53 @@
+using StructureHelper.Infrastructure;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace StructureHelper.Windows.TreeGraph
+{
+    public class GetValueViewModel : ViewModelBase
+    {
+        public IOneVariableFunction function;
+        private double argument;
+        private double value;
+        private string trace = "Будет логика расчёта";
+        public IOneVariableFunction Function
+        {
+            get => function; 
+            set => function = value;
+        }
+        public double Argument 
+        { 
+            get => argument; 
+            set => argument = value; 
+        }
+        public double Value
+        {
+            get => value;
+            set => this.value = value;
+        }
+        public string Trace
+        {
+            get => trace;
+            set => trace = value;
+        }
+        private RelayCommand _getValueCommand;
+        public ICommand GetValueCommand
+        {
+            get => _getValueCommand ??= new RelayCommand(o => GetValue());
+        }
+        public GetValueViewModel(IOneVariableFunction function)
+        {
+            Function = function;
+        }
+        private void GetValue()
+        {
+            Value = Function.GetByX(Argument);
+            Trace = "скорее всего переменная внутри функции";
+        }
+    }
+}