Implemented MVP code pattern

App.config

@@ -1,24 +1,28 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <configuration>
-    <configSections>
-        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
-            <section name="MouseNet.Logophi.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
-        </sectionGroup>
-    </configSections>
-    <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
-    </startup>
-    <userSettings>
-        <MouseNet.Logophi.Properties.Settings>
-            <setting name="SaveHistory" serializeAs="String">
-                <value>True</value>
-            </setting>
-            <setting name="MaxHistory" serializeAs="String">
-                <value>25</value>
-            </setting>
-            <setting name="PersistentCache" serializeAs="String">
-                <value>False</value>
-            </setting>
-        </MouseNet.Logophi.Properties.Settings>
-    </userSettings>
+  <configSections>
+    <sectionGroup name="userSettings"
+                  type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+      <section name="MouseNet.Logophi.Properties.Settings"
+               type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
+               allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+    </sectionGroup>
+  </configSections>
+  <startup>
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+  </startup>
+  <userSettings>
+    <MouseNet.Logophi.Properties.Settings>
+      <setting name="SaveHistory" serializeAs="String">
+        <value>True</value>
+      </setting>
+      <setting name="MaxHistory" serializeAs="String">
+        <value>25</value>
+      </setting>
+      <setting name="PersistentCache" serializeAs="String">
+        <value>False</value>
+      </setting>
+    </MouseNet.Logophi.Properties.Settings>
+  </userSettings>
 </configuration>

AppContext.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Windows.Forms;
+using MouseNet.Logophi.Forms;
+using MouseNet.Logophi.Properties;
+using MouseNet.Logophi.Views.Presentation;
+
+namespace MouseNet.Logophi
+{
+    internal class AppContext : ApplicationContext
+    {
+        private readonly BookmarksFormPresenter
+            _bookmarksFormPresenter;
+
+        private readonly MainFormPresenter _mainFormPresenter;
+        private readonly NotifyIcon _trayIcon;
+
+        public AppContext()
+            {
+            Application.ApplicationExit += OnApplicationExit;
+            _mainFormPresenter =
+                new MainFormPresenter(
+                    Settings.Default.PersistentCache);
+            _bookmarksFormPresenter = new BookmarksFormPresenter(
+                _mainFormPresenter.Thesaurus,
+                _mainFormPresenter.Search);
+            var openMenuItem = new ToolStripMenuItem {Text = @"Open"};
+            openMenuItem.Click += OnOpen;
+            var exitMenuItem = new ToolStripMenuItem {Text = @"Exit"};
+            exitMenuItem.Click +=
+                (sender,
+                 args) => Application.Exit();
+            _trayIcon = new NotifyIcon
+                {
+                Icon = Resources.logophi,
+                Text = Resources.AppName,
+                Visible = true,
+                ContextMenuStrip = new ContextMenuStrip
+                    {
+                    Items = {openMenuItem, exitMenuItem}
+                    }
+                };
+            _trayIcon.DoubleClick += OnOpen;
+            }
+
+        private void PresentMainForm()
+            {
+            var form = new MainForm();
+            form.ViewBookmarksClicked += OnViewBookmarksClicked;
+            _mainFormPresenter.Present(form);
+            }
+
+        private void OnApplicationExit
+            (object sender,
+             EventArgs e)
+            {
+            _trayIcon.Visible = false;
+            _trayIcon.Dispose();
+            }
+
+        private void OnOpen
+            (object sender,
+             EventArgs e)
+            {
+            PresentMainForm();
+            }
+
+        private void OnViewBookmarksClicked
+            (object sender,
+             EventArgs e)
+            {
+            var form = new BookmarksForm();
+            _bookmarksFormPresenter.Present(form);
+            }
+    }
+}

Forms/BookmarksForm.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections;
+using System.Windows.Forms;
+using MouseNet.Logophi.Views;
+
+namespace MouseNet.Logophi.Forms
+{
+    public partial class BookmarksForm : Form, IBookmarksFormView
+    {
+        public BookmarksForm()
+            {
+            InitializeComponent();
+            }
+
+        public IList Items => _cBookmarksList.Items;
+        public event EventHandler<string> BookmarkRemoved;
+        public event EventHandler<string> BookmarkActivated;
+
+        private void InvokeBookmarkActivated
+            (object sender,
+             MouseEventArgs args)
+            {
+            var i = _cBookmarksList.IndexFromPoint(args.Location);
+            if (i != ListBox.NoMatches)
+                BookmarkActivated?.Invoke(
+                    this,
+                    (string) _cBookmarksList.Items[i]);
+            }
+
+        private void InvokeBookmarkRemoved
+            (object sender,
+             EventArgs args)
+            {
+            BookmarkRemoved?.Invoke(sender,
+                                    _cBookmarksList
+                                       .SelectedItem.ToString());
+            }
+    }
+}