started impl on min/max.

Terminal.Gui/View/Layout/PosDim.cs

@@ -601,7 +601,6 @@ public class Dim {
 	/// <summary>
 	/// Creates a <see cref="Dim"/> object that automatically sizes the view to fit all of the view's SubViews.
 	/// </summary>
-	/// <returns>The AutoSize <see cref="Dim"/> object.</returns>
 	/// <example>
 	/// This initializes a <see cref="View"/> with two SubViews. The view will be automatically sized to fit the two SubViews.
 	/// <code>
@@ -611,18 +610,34 @@ public class Dim {
 	/// view.Add (button, textField);
 	/// </code>
 	/// </example>
-	public static Dim Auto ()
+	/// <returns>The AutoSize <see cref="Dim"/> object.</returns>
+	/// <param name="min">Specifies the minimum dimension that view will be automatically sized to. NOT CURRENTLY SUPPORTED.</param>
+	/// <param name="min">Specifies the maximum dimension that view will be automatically sized to. NOT CURRENTLY SUPPORTED.</param>
+	public static Dim Auto (Dim min = null, Dim max = null)
 	{
-		return new DimAuto ();
+		return new DimAuto (min, max);
 	}
 
 	internal class DimAuto : Dim {
-		public override string ToString () => $"Auto()";
+		internal readonly Dim _min;
+		internal readonly Dim _max;
+
+		public DimAuto (Dim min, Dim max)
+		{
+			_min = min;
+			_max = max;
+		}
+
+		public override string ToString () => $"Auto({_min}, {_max})";
 
 		internal override int Anchor (int width)
 		{
 			return width;
 		}
+
+		public override int GetHashCode () => _min.GetHashCode () * _max.GetHashCode (); // BUGBUG: This isn't right
+
+		public override bool Equals (object other) => other is DimAuto fill && (fill._min == _min && fill._max == _max);
 	}
 
 	/// <summary>

Terminal.Gui/View/ViewLayout.cs

@@ -790,7 +790,8 @@ namespace Terminal.Gui {
 						newDimension = furthestRight + thickness.Left + thickness.Right;
 					} else {
 						var furthestBottom = Subviews.Count == 0 ? 0 : Subviews.Max (v => v.Frame.Y + v.Frame.Height);
-						newDimension = furthestBottom + thickness.Top + thickness.Bottom;
+						// TODO: GethashCode is ah ack. 
+						newDimension = int.Max(furthestBottom + thickness.Top + thickness.Bottom, ((Dim.DimAuto)d)._min.GetHashCode());
 					}
 					break;
 

UICatalog/Scenarios/DimAutoSize.cs

@@ -58,7 +58,7 @@ public class DimAutoSize : Scenario {
 			X = 3,
 			Y = 3,
 			Width = Dim.Auto (),
-			Height = Dim.Auto ()
+			Height = Dim.Auto (10)
 		};
 		view.ValidatePosDim = true;
 		view.Add (textField, label, button);

UnitTests/View/Layout/DimAutoTests.cs

@@ -357,5 +357,4 @@ public class DimAutoTests {
 
 	// Test variations of Frame
 
-	// test PosCombine (can DimAuto be combined??!)
 }