Neuerstellung

- Quelle: https://github.com/oxyplot/oxyplot

Source/Examples/WindowsForms/ExampleBrowser/MainWindowViewModel.cs

@@ -0,0 +1,55 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="MainWindowViewModel.cs" company="OxyPlot">
+//   Copyright (c) 2014 OxyPlot contributors
+// </copyright>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace ExampleBrowser
+{
+    using System.ComponentModel;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    using ExampleLibrary;
+
+    public class MainWindowViewModel : INotifyPropertyChanged
+    {
+        private IEnumerable<ExampleInfo> examples;
+
+        private ExampleInfo selectedExample;
+
+        public MainWindowViewModel()
+        {
+            this.Examples = ExampleLibrary.Examples.GetList().OrderBy(e => e.Category);
+            this.SelectedExample = this.Examples.FirstOrDefault(ei => ei.Title == Properties.Settings.Default.SelectedExample);
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public IEnumerable<ExampleInfo> Examples
+        {
+            get { return this.examples; }
+            set { this.examples = value; this.RaisePropertyChanged("Examples"); }
+        }
+
+        public ExampleInfo SelectedExample
+        {
+            get { return this.selectedExample; }
+            set
+            {
+                this.selectedExample = value; this.RaisePropertyChanged("SelectedExample");
+                Properties.Settings.Default.SelectedExample = value != null ? value.Title : null;
+                Properties.Settings.Default.Save();
+            }
+        }
+
+        protected void RaisePropertyChanged(string property)
+        {
+            var handler = this.PropertyChanged;
+            if (handler != null)
+            {
+                handler(this, new PropertyChangedEventArgs(property));
+            }
+        }
+    }
+}