Change the timing of Measure method call when SwipeControl is included

src/CommunityToolkit.Maui.Core/Handlers/Popup/PopUpHandler.windows.cs

@@ -122,6 +122,7 @@ protected override void DisconnectHandler(Popup platformView)
 		{
 			MauiContext.GetPlatformWindow().SizeChanged -= OnSizeChanged;
 		}
+		DetachSwipeControlEvent(platformView);
 	}
 
 	/// <inheritdoc/>
@@ -140,6 +141,7 @@ protected override void ConnectHandler(Popup platformView)
 		{
 			MauiContext.GetPlatformWindow().SizeChanged += OnSizeChanged;
 		}
+		AttachSwipeControlEvent(platformView);
 		base.ConnectHandler(platformView);
 	}
 
@@ -168,4 +170,60 @@ void OnSizeChanged(object? sender, WindowSizeChangedEventArgs e)
 			PopupExtensions.SetLayout(PlatformView, VirtualView, MauiContext);
 		}
 	}
+
+	void AttachSwipeControlEvent(Popup platformView)
+	{
+		if (platformView.Child is FrameworkElement frameworkElement)
+		{
+			if (frameworkElement is SwipeControl)
+			{
+				SwipeControl swipeControl = (SwipeControl)frameworkElement;
+				swipeControl.Loaded += OnLoadedSwipeControl;
+			}
+			else
+			{
+				var swipeControls = frameworkElement.GetChildren<SwipeControl>();
+				foreach (SwipeControl? swipeControl in swipeControls)
+				{
+					if (swipeControl is not null)
+					{
+						swipeControl.Loaded += OnLoadedSwipeControl;
+					}
+				}
+			}
+		}
+	}
+
+	void DetachSwipeControlEvent(Popup platformView)
+	{
+		if (platformView.Child is FrameworkElement frameworkElement)
+		{
+			if (frameworkElement is SwipeControl)
+			{
+				SwipeControl swipeControl = (SwipeControl)frameworkElement;
+				swipeControl.Loaded -= OnLoadedSwipeControl;
+			}
+			else
+			{
+				var swipeControls = frameworkElement.GetChildren<SwipeControl>();
+				foreach (SwipeControl? swipeControl in swipeControls)
+				{
+					if (swipeControl is not null)
+					{
+						swipeControl.Loaded -= OnLoadedSwipeControl;
+					}
+				}
+			}
+		}
+	}
+
+	void OnLoadedSwipeControl(object? sender, RoutedEventArgs e)
+	{
+		if (VirtualView is not null)
+		{
+			PopupExtensions.SetSize(PlatformView, VirtualView, MauiContext);
+			PopupExtensions.SetLayout(PlatformView, VirtualView, MauiContext);
+		}
+	}
+
 }

src/CommunityToolkit.Maui.Core/Views/Popup/PopupExtensions.windows.cs

@@ -58,6 +58,33 @@ public static void ConfigureControl(this Popup mauiPopup, IPopup popup, IMauiCon
 		mauiPopup.SetLayout(popup, mauiContext);
 	}
 
+	static bool CanMeasureContent(Popup mauiPopup)
+	{
+		if (mauiPopup.Child is FrameworkElement frameworkElement)
+		{
+			if (frameworkElement is SwipeControl)
+			{
+				SwipeControl swipeControl = (SwipeControl)frameworkElement;
+				if (!swipeControl.IsLoaded)
+				{
+					return false;
+				}
+			}
+			else
+			{
+				var swipeControls = frameworkElement.GetChildren<SwipeControl>();
+				foreach (SwipeControl? swipeControl in swipeControls)
+				{
+					if (swipeControl is not null && !swipeControl.IsLoaded)
+					{
+						return false;
+					}
+				}
+			}
+		}
+		return true;
+	}
+
 	/// <summary>
 	/// Method to update the popup size based on the <see cref="Maui.Core.IPopup.Size"/>.
 	/// </summary>
@@ -79,7 +106,14 @@ public static void SetSize(this Popup mauiPopup, IPopup popup, IMauiContext? mau
 		{
 			if (double.IsNaN(popup.Content.Width) || (double.IsNaN(popup.Content.Height)))
 			{
-				currentSize = popup.Content.Measure(double.IsNaN(popup.Content.Width) ? popupParent.Bounds.Width : popup.Content.Width, double.IsNaN(popup.Content.Height) ? popupParent.Bounds.Height : popup.Content.Height);
+				if (CanMeasureContent(mauiPopup))
+				{
+					currentSize = popup.Content.Measure(double.IsNaN(popup.Content.Width) ? popupParent.Bounds.Width : popup.Content.Width, double.IsNaN(popup.Content.Height) ? popupParent.Bounds.Height : popup.Content.Height);
+				}
+				else
+				{
+					return;
+				}
 
 				if (double.IsNaN(popup.Content.Width))
 				{
@@ -129,7 +163,16 @@ public static void SetLayout(this Popup mauiPopup, IPopup popup, IMauiContext? m
 		ArgumentNullException.ThrowIfNull(popup.Content);
 
 		var popupParent = mauiContext.GetPlatformWindow();
-		popup.Content.Measure(double.PositiveInfinity, double.PositiveInfinity);
+
+		if (CanMeasureContent(mauiPopup))
+		{
+			popup.Content.Measure(double.PositiveInfinity, double.PositiveInfinity);
+		}
+		else
+		{
+			return;
+		}
+
 		var contentSize = popup.Content.ToPlatform(mauiContext).DesiredSize;
 		var popupParentFrame = popupParent.Bounds;