Adjust the top considering the selected item and the frame height.

Terminal.Gui/Views/ListView.cs

@@ -601,10 +601,12 @@ namespace Terminal.Gui {
 		/// <returns></returns>
 		public virtual bool MoveEnd ()
 		{
-			if (source.Count > 0 && selected != source.Count - 1) {
+			if (source?.Count > 0 && selected != source.Count - 1) {
 				selected = source.Count - 1;
 				if (top + selected > Frame.Height - 1) {
-					top = selected;
+					top = selected < Frame.Height - 1
+						? Math.Max (Frame.Height - selected + 1, 0)
+						: Math.Max (selected - Frame.Height + 1, 0);
 				}
 				OnSelectedChanged ();
 				SetNeedsDisplay ();

UnitTests/Views/ListViewTests.cs

@@ -300,16 +300,16 @@ namespace Terminal.Gui.ViewTests {
 			Assert.Equal (19, lv.SelectedItem);
 			TestHelpers.AssertDriverContentsWithFrameAre (@"
 ┌──────────┐
+│Line10    │
+│Line11    │
+│Line12    │
+│Line13    │
+│Line14    │
+│Line15    │
+│Line16    │
+│Line17    │
+│Line18    │
 │Line19    │
-│          │
-│          │
-│          │
-│          │
-│          │
-│          │
-│          │
-│          │
-│          │
 └──────────┘", output);
 
 			Assert.True (lv.ScrollUp (20));