Issue #92: Updated test application (MT5) to use functions IndicatorCreate and IndicatorRelease

TestClients/MtApi5TestClient/MainWindow.xaml.cs

@@ -1,37 +1,32 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
+using System.Text.RegularExpressions;
 using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 
 namespace MtApi5TestClient
 {
     /// <summary>
     /// Interaction logic for MainWindow.xaml
     /// </summary>
-    public partial class MainWindow : Window
+    public partial class MainWindow
     {
-        ViewModel _vm { get; set; }
+        private ViewModel Vm { get; }
 
         public MainWindow()
         {
             InitializeComponent();
 
-            _vm = new ViewModel();
-            _MainLayout.DataContext = _vm;
+            Vm = new ViewModel();
+            _MainLayout.DataContext = Vm;
         }
 
         private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
         {
-            _vm.Close();
+            Vm.Close();
+        }
+
+        private void NumberValidationTextBox(object sender, TextCompositionEventArgs e)
+        {
+            var regex = new Regex("[^0-9]+");
+            e.Handled = regex.IsMatch(e.Text);
         }
     }
 }