From 453360be0dfab8954293b2f9bd259fe3d1c5a240 Mon Sep 17 00:00:00 2001
From: Sylvia Oleander-Rothove <sylmarssbm@gmail.com>
Date: Sun, 27 Aug 2023 22:16:29 -0500
Subject: [PATCH] adds menu looping

---
 DRV3-Sharp/Program.cs | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/DRV3-Sharp/Program.cs b/DRV3-Sharp/Program.cs
index e15d25f..309a325 100644
--- a/DRV3-Sharp/Program.cs
+++ b/DRV3-Sharp/Program.cs
@@ -129,10 +129,25 @@ private static void MainLoop()
             {
                 // Single-entry scroll
                 case ConsoleKey.UpArrow:
-                    if (currentMenu.FocusedEntry > 0) --currentMenu.FocusedEntry;
+                    if (currentMenu.FocusedEntry > 0)
+                    {
+                        --currentMenu.FocusedEntry;
+                    }
+                    else if (currentMenu.FocusedEntry == 0)
+                    {
+                        currentMenu.FocusedEntry = cachedEntries.Length - 1; // loop menu to bottom
+                    }
                     break;
+
                 case ConsoleKey.DownArrow:
-                    if (currentMenu.FocusedEntry < (cachedEntries.Length - 1)) ++currentMenu.FocusedEntry;
+                    if (currentMenu.FocusedEntry < cachedEntries.Length - 1)
+                    {
+                        ++currentMenu.FocusedEntry;
+                    }
+                    else if (currentMenu.FocusedEntry == cachedEntries.Length - 1)
+                    {
+                        currentMenu.FocusedEntry = 0; // loop menu to top
+                    }
                     break;
 
                 // Fast scroll