diff --git a/Terminal.Gui/Views/TileView.cs b/Terminal.Gui/Views/TileView.cs
index cb9ac3373..d1c77d66f 100644
--- a/Terminal.Gui/Views/TileView.cs
+++ b/Terminal.Gui/Views/TileView.cs
@@ -13,6 +13,12 @@ namespace Terminal.Gui {
 	public class TileView : View {
 		TileView parentTileView;
 
+		/// <summary>
+		/// The keyboard key that the user can press to toggle resizing
+		/// of splitter lines.  Mouse drag splitting is always enabled.
+		/// </summary>
+		public Key ToggleResizable { get; set; } = Key.CtrlMask | Key.F10;
+
 		/// <summary>
 		/// A single <see cref="ContentView"/> presented in a <see cref="TileView"/>. To create
 		/// new instances use <see cref="TileView.RebuildForTileCount(int)"/> 
@@ -548,6 +554,27 @@ namespace Terminal.Gui {
 			return true;
 		}
 
+		/// <inheritdoc/>
+		public override bool ProcessHotKey (KeyEvent keyEvent)
+		{
+			bool focusMoved = false;
+
+			if(keyEvent.Key == ToggleResizable) {
+				foreach(var l in splitterLines) {
+
+					l.CanFocus = !l.CanFocus;
+					
+					if (l.CanFocus && !focusMoved) {
+						l.SetFocus ();
+						focusMoved = true;
+					}
+				}
+				return true;
+			}
+
+			return base.ProcessHotKey (keyEvent);
+		}
+
 		private bool IsValidNewSplitterPos (int idx, Pos value, int fullSpace)
 		{
 			int newSize = value.Anchor (fullSpace);
@@ -862,7 +889,7 @@ namespace Terminal.Gui {
 
 			public TileViewLineView (TileView parent, int idx)
 			{
-				CanFocus = true;
+				CanFocus = false;
 				TabStop = true;
 
 				this.Parent = parent;
@@ -927,7 +954,7 @@ namespace Terminal.Gui {
 
 			public void DrawSplitterSymbol ()
 			{
-				if (CanFocus && HasFocus) {
+				if (dragPosition != null || CanFocus) {
 					var location = moveRuneRenderLocation ??
 						new Point (Bounds.Width / 2, Bounds.Height / 2);
 
@@ -937,10 +964,6 @@ namespace Terminal.Gui {
 
 			public override bool MouseEvent (MouseEvent mouseEvent)
 			{
-				if (!CanFocus) {
-					return true;
-				}
-
 				if (!dragPosition.HasValue && (mouseEvent.Flags == MouseFlags.Button1Pressed)) {
 
 					// Start a Drag
diff --git a/UnitTests/Views/TileViewTests.cs b/UnitTests/Views/TileViewTests.cs
index 0f7c045a4..d969ec112 100644
--- a/UnitTests/Views/TileViewTests.cs
+++ b/UnitTests/Views/TileViewTests.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Linq;
-using Terminal.Gui;
 using Terminal.Gui.Graphs;
 using Xunit;
 using Xunit.Abstractions;
@@ -60,7 +59,7 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_Focused ()
 		{
 			var tileView = Get11By3TileView (out var line);
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 
 			tileView.Redraw (tileView.Bounds);
 
@@ -100,7 +99,7 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_Focused_WithBorder ()
 		{
 			var tileView = Get11By3TileView (out var line, true);
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 
 			tileView.Redraw (tileView.Bounds);
 
@@ -141,9 +140,10 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_Focused_50PercentSplit ()
 		{
 			var tileView = Get11By3TileView (out var line);
-			SetInputFocusLine (tileView);
 			tileView.SetSplitterPos (0, Pos.Percent (50));
 			Assert.IsType<Pos.PosFactor> (tileView.SplitterDistances.ElementAt (0));
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
+
 			tileView.Redraw (tileView.Bounds);
 
 			string looksLike =
@@ -209,7 +209,7 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_View1MinSize_Absolute ()
 		{
 			var tileView = Get11By3TileView (out var line);
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 			tileView.Tiles.ElementAt (0).MinSize = 6;
 
 			// distance is too small (below 6)
@@ -254,7 +254,7 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_View1MinSize_Absolute_WithBorder ()
 		{
 			var tileView = Get11By3TileView (out var line, true);
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 			tileView.Tiles.ElementAt (0).MinSize = 5;
 
 			// distance is too small (below 5)
@@ -298,7 +298,7 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_View2MinSize_Absolute ()
 		{
 			var tileView = Get11By3TileView (out var line);
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 			tileView.Tiles.ElementAt (1).MinSize = 6;
 
 			// distance leaves too little space for view2 (less than 6 would remain)
@@ -342,7 +342,7 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Vertical_View2MinSize_Absolute_WithBorder ()
 		{
 			var tileView = Get11By3TileView (out var line, true);
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 			tileView.Tiles.ElementAt (1).MinSize = 5;
 
 			// distance leaves too little space for view2 (less than 5 would remain)
@@ -386,8 +386,6 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_InsertPanelAtStart ()
 		{
 			var tileView = Get11By3TileView (out var line, true);
-			SetInputFocusLine (tileView);
-
 			tileView.InsertTile (0);
 
 			tileView.Redraw (tileView.Bounds);
@@ -405,8 +403,6 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_InsertPanelMiddle ()
 		{
 			var tileView = Get11By3TileView (out var line, true);
-			SetInputFocusLine (tileView);
-
 			tileView.InsertTile (1);
 
 			tileView.Redraw (tileView.Bounds);
@@ -424,8 +420,6 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_InsertPanelAtEnd ()
 		{
 			var tileView = Get11By3TileView (out var line, true);
-			SetInputFocusLine (tileView);
-
 			tileView.InsertTile (2);
 
 			tileView.Redraw (tileView.Bounds);
@@ -445,7 +439,9 @@ namespace Terminal.Gui.ViewTests {
 			var tileView = Get11By3TileView (out var line);
 
 			tileView.Orientation = Terminal.Gui.Graphs.Orientation.Horizontal;
-			SetInputFocusLine (tileView);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
+
+			Assert.True (line.HasFocus);
 
 			tileView.Redraw (tileView.Bounds);
 
@@ -485,9 +481,9 @@ namespace Terminal.Gui.ViewTests {
 		public void TestTileView_Horizontal_View1MinSize_Absolute ()
 		{
 			var tileView = Get11By3TileView (out var line);
+			tileView.ProcessHotKey (new KeyEvent (tileView.ToggleResizable, new KeyModifiers ()));
 
 			tileView.Orientation = Terminal.Gui.Graphs.Orientation.Horizontal;
-			SetInputFocusLine (tileView);
 			tileView.Tiles.ElementAt (0).MinSize = 1;
 
 			// 0 should not be allowed because it brings us below minimum size of View1
@@ -2247,13 +2243,6 @@ namespace Terminal.Gui.ViewTests {
 			return tileView.Subviews.OfType<LineView> ().Single ();
 		}
 
-		private void SetInputFocusLine (TileView tileView)
-		{
-			var line = GetLine (tileView);
-			line.SetFocus ();
-			Assert.True (line.HasFocus);
-		}
-
 
 		private TileView Get5x1TilesView (bool border = true)
 		{