Add project files.

.svn/pristine/fb/fb35a48141ce987aecd8dda1ba1f3c0ca4401684.svn-base

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+using SafeBagDE70.Services;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace SafeBagDE70
+{
+    /// <summary>
+    /// Interaction logic for CollectionUC.xaml
+    /// </summary>
+    public partial class ErrorUC : UserControl
+    {
+        public ErrorUC()
+        {
+            InitializeComponent();
+        }
+        public void ShowInfor(string strInfor)
+        {
+            lblError.Text = strInfor;
+            SoundManager.StartWarningSound();
+        }
+
+        private void btnRetry_Click(object sender, RoutedEventArgs e)
+        {
+            SoundManager.StopWarningSound();
+            ((MainWindow)Application.Current.MainWindow).ShowWelcomeScreen();
+        }
+    }
+}