Automatic merge of T1.5.1-1083-g7ca36e39f1 and 20 pull requests

- Pull request #891 at 9a1d6b2: Auto save
- Pull request #959 at 2452cb0: Fix TrackViewer crash on big zoom value
- Pull request #969 at 9d53199: Bugfix refocus to the main window when opening  the map window
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #882 at 8f695a4: Blueprint/train car operations UI window
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #922 at a3bc9e7: Autopilot for timetable mode
- Pull request #953 at a519452: Fix Lights Crash on Corrupt Shapes
- Pull request #962 at 46d0472: Fix pantographs on unpowered cars
- Pull request #970 at 6fa5eed: feat: Remove unnecessary Windows.Forms usage
- Pull request #900 at c27f32d: DMI updates
- Pull request #903 at 9dabe97: Downloading route content (Github, zip)
- Pull request #799 at dfc715e: Consolidated wind simulation
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #885 at 9c6c13f: feat: Add notifications to Menu
- Pull request #896 at 5866028: First implementation of https://blueprints.launchpad.net/or/+spec/specific-sounds-for-ai-trains
- Pull request #946 at 91a03af: Advanced track sounds
- Pull request #952 at 8347095: Investigation - Pulsing graphics
- Pull request #954 at f837ffd: Multiple Track Profiles & Superelevation Improvements
- Pull request #968 at a88cb26: Initial build of adding track section identifier for rack railway

Author: openrails-bot

Source/Menu/MainForm.cs

@@ -324,7 +324,7 @@ void CheckForUpdate()
         }
 
         // Event raised by Retry button in NotificationPages so user can retry updates following an error notification.
-        public event EventHandler CheckUpdatesAgain;
+        //public event EventHandler CheckUpdatesAgain;
 
         public virtual void OnCheckUpdatesAgain(EventArgs e)
         {

Source/Menu/Notifications/NotificationPage.cs

@@ -21,81 +21,36 @@
 using System.Drawing;
 using System.Windows.Forms;
 using ORTS.Updater;
-using static System.Net.Mime.MediaTypeNames;
-using static System.Windows.Forms.VisualStyles.VisualStyleElement;
 using Button = System.Windows.Forms.Button;
 using Image = System.Drawing.Image;
 
 namespace ORTS
 {
     public class NotificationPage
     {
-
-
         public List<NDetail> NDetailList = new List<NDetail>();
         public Dictionary<int, NButtonControl> ButtonDictionary = new Dictionary<int, NButtonControl>();
         public Panel Panel;
         private MainForm MainForm; // Needed so the Retry button can raise an event which the form can catch.
         public List<Control> ControlList = new List<Control>();
 
         public NotificationPage(MainForm mainForm, Panel panel, Image nextImage, Image previousImage, Image firstImage, Image lastImage, string pageCount,
-    bool previousVisible, bool firstVisible, bool nextVisible, bool lastVisisble)
+            bool previousVisible, bool firstVisible, bool nextVisible, bool lastVisible)
         {
             MainForm = mainForm;
             Panel = panel;
             NButtonControl.ButtonCount = 0;
 
-            var nextPageControl = new Button { Margin = new Padding(0), Text = "", FlatStyle = FlatStyle.Flat };            
-            nextPageControl.Left = panel.ClientSize.Width - 25;
-            nextPageControl.Top = 0;
-            nextPageControl.Width = 20;
-            nextPageControl.Anchor = AnchorStyles.Top | AnchorStyles.Left;
-            nextPageControl.FlatAppearance.BorderSize = 0;
-            nextPageControl.BackgroundImageLayout = ImageLayout.Center;
-            nextPageControl.BackgroundImage = nextImage;
-            nextPageControl.Visible = nextVisible;
+            var nextPageControl = new Arrow(panel, nextImage, nextVisible, true, 25);
             nextPageControl.Click += new EventHandler(MainForm.Next_Click);
-            //ControlList.Add(nextPageControl);
             Panel.Controls.Add(nextPageControl);
 
-            var previousPageControl = new Button { Margin = new Padding(0), Text = "", FlatStyle = FlatStyle.Flat };
-            previousPageControl.Left = panel.ClientSize.Width - 90;
-            previousPageControl.Top = 0;
-            previousPageControl.Width = 20;
-            previousPageControl.Anchor = AnchorStyles.Top | AnchorStyles.Left;
-            previousPageControl.FlatAppearance.BorderSize = 0;
-            previousPageControl.BackgroundImageLayout = ImageLayout.Center;
-            previousPageControl.BackgroundImage = previousImage;
-            previousPageControl.Visible = previousVisible;
+            var previousPageControl = new Arrow(panel, previousImage, previousVisible, true, 90);
             previousPageControl.Click += new EventHandler(MainForm.Previous_Click);
-            //ControlList.Add(previousPageControl);
             Panel.Controls.Add(previousPageControl);
 
-            var lastPageControl = new Button { Margin = new Padding(0), Text = "", FlatStyle = FlatStyle.Flat };
-            lastPageControl.Left = panel.ClientSize.Width - 25;
-            lastPageControl.Top = 0;
-            lastPageControl.Width = 20;
-            lastPageControl.Anchor = AnchorStyles.Top | AnchorStyles.Left;
-            lastPageControl.FlatAppearance.BorderSize = 0;
-            lastPageControl.BackgroundImageLayout = ImageLayout.Center;
-            lastPageControl.BackgroundImage = lastImage;
-            lastPageControl.Visible = lastVisisble;
-            lastPageControl.Enabled = false;
-            //ControlList.Add(lastPageControl);
-            Panel.Controls.Add(lastPageControl);
-
-            var firstPageControl = new Button { Margin = new Padding(0), Text = "", FlatStyle = FlatStyle.Flat };
-            firstPageControl.Left = panel.ClientSize.Width - 90;
-            firstPageControl.Top = 0;
-            firstPageControl.Width = 20;
-            firstPageControl.Anchor = AnchorStyles.Top | AnchorStyles.Left;
-            firstPageControl.FlatAppearance.BorderSize = 0;
-            firstPageControl.BackgroundImageLayout = ImageLayout.Center;
-            firstPageControl.BackgroundImage = firstImage;
-            firstPageControl.Visible = firstVisible;
-            firstPageControl.Enabled = false;
-            //ControlList.Add(firstPageControl);
-            Panel.Controls.Add(firstPageControl);
+            Panel.Controls.Add( new Arrow(panel, lastImage, lastVisible, false, 25));
+            Panel.Controls.Add( new Arrow(panel, firstImage, firstVisible, false, 90));
 
             var pageCountControl = new Label
             {
@@ -110,6 +65,24 @@ public NotificationPage(MainForm mainForm, Panel panel, Image nextImage, Image p
             Panel.Controls.Add(pageCountControl);
         }
 
+        public class Arrow : Button {
+            public Arrow(Panel panel, Image image, bool visible, bool enabled, int indentRight)
+            {
+                Margin = new Padding(0);
+                Text = "";
+                FlatStyle = FlatStyle.Flat;
+                Left = panel.ClientSize.Width - indentRight;
+                Top = 0;
+                Width = 20;
+                Anchor = AnchorStyles.Top | AnchorStyles.Left;
+                FlatAppearance.BorderSize = 0;
+                BackgroundImageLayout = ImageLayout.Center;
+                BackgroundImage = image;
+                Visible = visible;
+                Enabled = enabled;
+            }
+        }
+
         public class NDetail
         {
             public static readonly int TopPadding = 20;