Reverse the polarity

src/Controls/src/Core/ContentPage/ContentPage.cs

@@ -89,6 +89,7 @@ protected override void InvalidateMeasureOverride()
 		IView IReplaceableView.ReplacedView => HotReload.MauiHotReloadHelper.GetReplacedView(this) ?? this;
 
 		HotReload.IReloadHandler HotReload.IHotReloadableView.ReloadHandler { get; set; }
+		Thickness IPadding.Padding { get; }
 
 		void HotReload.IHotReloadableView.TransferState(IView newView)
 		{
@@ -108,10 +109,8 @@ void HotReload.IHotReloadableView.Reload()
 				//TODO: if reload handler is null, Do a manual reload?
 			});
 		}
-		#endregion
 
-#if NETSTANDARD
-		// NetStandard doesn't support default interface implementations, so we provide them here.
+		#endregion
 
 		Size IContentView.CrossPlatformArrange(Rect bounds) 
 		{
@@ -122,6 +121,5 @@ Size IContentView.CrossPlatformMeasure(double widthConstraint, double heightCons
 		{
 			return (this as ICrossPlatformLayout).CrossPlatformMeasure(widthConstraint, heightConstraint);
 		}
-#endif
 	}
 }

src/Core/src/Core/IContentView.cs

@@ -17,34 +17,16 @@ public interface IContentView : IView, IPadding, ICrossPlatformLayout
 		/// </summary>
 		IView? PresentedContent { get; }
 
-#if NETSTANDARD2_0
 		/// <summary>
-		/// This interface method is provided as a stub for .NET Standard
+		/// This interface method is provided for backward compatibility with previous versions. 
+		/// Implementing classes should implement the ICrossPlatformLayout interface rather than directly implementing this method.
 		/// </summary>
 		new Size CrossPlatformMeasure(double widthConstraint, double heightConstraint);
 
 		/// <summary>
-		/// This interface method is provided as a stub for .NET Standard
+		/// This interface method is provided for backward compatibility with previous versions. 
+		/// Implementing classes should implement the ICrossPlatformLayout interface rather than directly implementing this method.
 		/// </summary>
 		new Size CrossPlatformArrange(Rect bounds);
-#else
-		/// <summary>
-		/// This implementation is provided as a bridge for previous versions. Implementing classes should implement 
-		/// the ICrossPlatformLayout interface rather than directly implementing this method.
-		/// </summary>
-		new Size CrossPlatformMeasure(double widthConstraint, double heightConstraint)
-		{
-			return (this as ICrossPlatformLayout).CrossPlatformMeasure(widthConstraint, heightConstraint);
-		}
-
-		/// <summary>
-		/// This implementation is provided as a bridge for previous versions. Implementing classes should implement 
-		/// the ICrossPlatformLayout interface rather than directly implementing this method.
-		/// </summary>
-		new Size CrossPlatformArrange(Rect bounds)
-		{
-			return (this as ICrossPlatformLayout).CrossPlatformArrange(bounds);
-		}
-#endif
 	}
 }

src/Core/src/Core/ICrossPlatformLayout.cs

@@ -10,13 +10,37 @@ public interface ICrossPlatformLayout
 		/// <param name="widthConstraint">The width limit for measuring the ICrossPlatformLayout.</param>
 		/// <param name="heightConstraint">The height limit for measuring the ICrossPlatformLayout.</param>
 		/// <returns>The desired size of the ILayout.</returns>
+#if NETSTANDARD2_0
 		Size CrossPlatformMeasure(double widthConstraint, double heightConstraint);
+#else
+		Size CrossPlatformMeasure(double widthConstraint, double heightConstraint)
+		{
+			return this switch
+			{
+				IContentView contentView => contentView.CrossPlatformMeasure(widthConstraint, heightConstraint),
+				ILayout layout => layout.CrossPlatformMeasure(widthConstraint, heightConstraint),
+				_ => Size.Zero,
+			};
+		}
+#endif
 
 		/// <summary>
 		/// Arranges the children of the ICrossPlatformLayout within the given bounds.
 		/// </summary>
 		/// <param name="bounds">The bounds in which the ICrossPlatformLayout's children should be arranged.</param>
 		/// <returns>The actual size of the arranged ICrossPlatformLayout.</returns>
+#if NETSTANDARD2_0
 		Size CrossPlatformArrange(Rect bounds);
+#else
+		Size CrossPlatformArrange(Rect bounds) 
+		{
+			return this switch
+			{
+				IContentView contentView => contentView.CrossPlatformArrange(bounds),
+				ILayout layout => layout.CrossPlatformArrange(bounds),
+				_ => Size.Zero,
+			};
+		}
+#endif
 	}
 }

src/Core/src/Core/ILayout.cs

@@ -13,34 +13,16 @@ public interface ILayout : IView, IContainer, ISafeAreaView, IPadding, ICrossPla
 		/// </summary>
 		bool ClipsToBounds { get; }
 
-#if NETSTANDARD2_0
 		/// <summary>
-		/// This interface method is provided as a stub for .NET Standard
-		/// </summary>
-		new Size CrossPlatformMeasure(double widthConstraint, double heightConstraint);
-
-		/// <summary>
-		/// This interface method is provided as a stub for .NET Standard
+		/// This interface method is provided for backward compatibility with previous versions. 
+		/// Implementing classes should implement the ICrossPlatformLayout interface rather than directly implementing this method.
 		/// </summary>
 		new Size CrossPlatformArrange(Rect bounds);
-#else
-		/// <summary>
-		/// This implementation is provided as a bridge for previous versions. Implementing classes should implement 
-		/// the ICrossPlatformLayout interface rather than directly implementing this method.
-		/// </summary>
-		new Size CrossPlatformMeasure(double widthConstraint, double heightConstraint)
-		{
-			return (this as ICrossPlatformLayout).CrossPlatformMeasure(widthConstraint, heightConstraint);
-		}
 
 		/// <summary>
-		/// This implementation is provided as a bridge for previous versions. Implementing classes should implement 
-		/// the ICrossPlatformLayout interface rather than directly implementing this method.
+		/// This interface method is provided for backward compatibility with previous versions. 
+		/// Implementing classes should implement the ICrossPlatformLayout interface rather than directly implementing this method.
 		/// </summary>
-		new Size CrossPlatformArrange(Rect bounds)
-		{
-			return (this as ICrossPlatformLayout).CrossPlatformArrange(bounds);
-		}
-#endif
+		new Size CrossPlatformMeasure(double widthConstraint, double heightConstraint);
 	}
 }