Projektdateien hinzufügen.

VideoBrowserTestApp/ViewModels/MainWindowViewModel.cs

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+namespace VideoBrowserTestApp.ViewModels
+{
+    using System.Collections.Generic;
+    using System.Windows;
+    using System.Windows.Input;
+    using VideoBrowser.Common;
+    using VideoBrowserTestApp.Helpers;
+    using VideoBrowserTestApp.Tests;
+
+    /// <summary>
+    /// Defines the <see cref="MainWindowViewModel" />.
+    /// </summary>
+    public class MainWindowViewModel
+    {
+        #region Constructors
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="MainWindowViewModel"/> class.
+        /// </summary>
+        internal MainWindowViewModel()
+        {
+            this.Tests = ReflectionHelper.GetInstances<TestBase>();
+            this.LoadedCommand = new RelayCommand(this.OnLoaded);
+            this.ClosedCommand = new RelayCommand(this.OnClosed);
+        }
+
+        #endregion Constructors
+
+        #region Properties
+
+        /// <summary>
+        /// Gets the ClosedCommand.
+        /// </summary>
+        public ICommand ClosedCommand { get; }
+
+        /// <summary>
+        /// Gets the LoadedCommand.
+        /// </summary>
+        public ICommand LoadedCommand { get; }
+
+        /// <summary>
+        /// Gets the Tests.
+        /// </summary>
+        public IList<TestBase> Tests { get; }
+
+        /// <summary>
+        /// Gets or sets the MainWindow.
+        /// </summary>
+        private Window MainWindow { get; set; }
+
+        #endregion Properties
+
+        #region Methods
+
+        /// <summary>
+        /// The OnClosed.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnClosed(object obj)
+        {
+            Properties.Settings.Default.Save();
+        }
+
+        /// <summary>
+        /// The OnLoaded.
+        /// </summary>
+        /// <param name="obj">The obj<see cref="object"/>.</param>
+        private void OnLoaded(object obj)
+        {
+            this.MainWindow = obj as Window;
+            var lastTest = Properties.Settings.Default.LastTest;
+            if (!string.IsNullOrEmpty(lastTest))
+            {
+                foreach (var test in this.Tests)
+                {
+                    if (test.Name == lastTest)
+                    {
+                        test.TestCommand.Execute(this.MainWindow);
+                        break;
+                    }
+                }
+            }
+        }
+
+        #endregion Methods
+    }
+}