Remember window size

Fixes #488

Author: bitbeans

SimpleDnsCrypt/App.config

@@ -92,6 +92,12 @@
             <setting name="ForwardingRulesFile" serializeAs="String">
                 <value />
             </setting>
+            <setting name="WindowWidth" serializeAs="String">
+                <value>825</value>
+            </setting>
+            <setting name="WindowHeight" serializeAs="String">
+                <value>875</value>
+            </setting>
         </SimpleDnsCrypt.Properties.Settings>
     </userSettings>
 </configuration>

SimpleDnsCrypt/Properties/Settings.Designer.cs

@@ -68,5 +68,11 @@
     <Setting Name="ForwardingRulesFile" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="WindowWidth" Type="System.Int32" Scope="User">
+      <Value Profile="(Default)">825</Value>
+    </Setting>
+    <Setting Name="WindowHeight" Type="System.Int32" Scope="User">
+      <Value Profile="(Default)">875</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

SimpleDnsCrypt/Properties/Settings.settings

@@ -16,23 +16,14 @@ namespace SimpleDnsCrypt.ViewModels
 	[Export(typeof(AboutViewModel))]
 	public class AboutViewModel : Screen
 	{
-		private readonly IWindowManager _windowManager;
-		private readonly IEventAggregator _events;
 		private string _windowTitle;
 
 		private BindableCollection<License> _licenses;
 		private License _selectedLicense;
 
-		public AboutViewModel()
-		{
-		}
-
 		[ImportingConstructor]
-		public AboutViewModel(IWindowManager windowManager, IEventAggregator events)
+		public AboutViewModel()
 		{
-			_windowManager = windowManager;
-			_events = events;
-			_events.Subscribe(this);
 			AddLicenses();
 			SelectedLicense = _licenses[0];
 		}

SimpleDnsCrypt/ViewModels/AboutViewModel.cs

@@ -60,6 +60,8 @@ public class MainViewModel : Screen, INotifyDataErrorInfo
 		private bool _isSavingConfiguration;
 		private bool _isUninstallingService;
 		private bool _isWorkingOnService;
+		private int _windowWidth;
+		private int _windowHeight;
 
 		private ObservableCollection<Language> _languages;
 
@@ -85,6 +87,8 @@ public MainViewModel(IWindowManager windowManager, IEventAggregator events)
 			_windowManager = windowManager;
 			_events = events;
 			_events.Subscribe(this);
+			_windowWidth = Properties.Settings.Default.WindowWidth;
+			_windowHeight= Properties.Settings.Default.WindowHeight;
 			_windowTitle =
 				$"{Global.ApplicationName} {VersionHelper.PublishVersion} {VersionHelper.PublishBuild} [dnscrypt-proxy {DnsCryptProxyManager.GetVersion()}]";
 			SelectedTab = Tabs.MainTab;
@@ -95,6 +99,7 @@ public MainViewModel(IWindowManager windowManager, IEventAggregator events)
 			{
 				WindowTitle = LocalizationEx.GetUiString("settings", Thread.CurrentThread.CurrentCulture)
 			};
+
 			_settingsViewModel.PropertyChanged += SettingsViewModelOnPropertyChanged;
 			_listenAddressesViewModel = new ListenAddressesViewModel();
 			_fallbackResolversViewModel = new FallbackResolversViewModel();
@@ -390,6 +395,26 @@ public BindableCollection<AvailableResolver> Resolvers
 			}
 		}
 
+		/// <summary>
+		/// Closing the main window.
+		/// </summary>
+		/// <param name="cancelEventArgs"></param>
+		public void OnClose(CancelEventArgs cancelEventArgs)
+		{
+			try
+			{
+				Properties.Settings.Default.WindowWidth = WindowWidth;
+				Properties.Settings.Default.WindowHeight = WindowHeight;
+				Properties.Settings.Default.Save();
+			}
+			catch (Exception exception)
+			{
+				Log.Error(exception);
+			}
+		}
+
+		
+
 		/// <summary>
 		///     The title of the window.
 		/// </summary>
@@ -403,6 +428,32 @@ public string WindowTitle
 			}
 		}
 
+		/// <summary>
+		///		The width of the main window.
+		/// </summary>
+		public int WindowWidth
+		{
+			get => _windowWidth;
+			set
+			{
+				_windowWidth = value;
+				NotifyOfPropertyChange(() => WindowWidth);
+			}
+		}
+
+		/// <summary>
+		///		The height of the main window.
+		/// </summary>
+		public int WindowHeight
+		{
+			get => _windowHeight;
+			set
+			{
+				_windowHeight = value;
+				NotifyOfPropertyChange(() => WindowHeight);
+			}
+		}
+
 		/// <summary>
 		///     Show or hide the filtered network cards.
 		/// </summary>
@@ -609,7 +660,7 @@ public void TabControl_SelectionChanged(SelectionChangedEventArgs selectionChang
 
 		public void About()
 		{
-			var win = new AboutViewModel(_windowManager, _events)
+			var win = new AboutViewModel()
 			{
 				WindowTitle = LocalizationEx.GetUiString("about", Thread.CurrentThread.CurrentCulture)
 			};

SimpleDnsCrypt/ViewModels/MainViewModel.cs

@@ -6,7 +6,10 @@
                       xmlns:cal="http://www.caliburnproject.org"
                       xmlns:iconPacks="http://metro.mahapps.com/winfx/xaml/iconpacks"
                       xmlns:converters="clr-namespace:SimpleDnsCrypt.Converters"
-                      Title="{Binding WindowTitle}" MinWidth="810" Width="825" MinHeight="360"
+                      cal:Message.Attach="[Event Closing] = [Action OnClose($eventArgs)]"
+                      Title="{Binding WindowTitle}" MinWidth="810" MinHeight="360" 
+                      Width="{Binding WindowWidth, Mode=TwoWay}" 
+                      Height="{Binding WindowHeight, Mode=TwoWay}" 
                       SizeToContent="WidthAndHeight"
                       GlowBrush="{DynamicResource AccentColorBrush}"
                       Icon="../Images/simplednscrypt.ico" ShowIconOnTitleBar="False"