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CarouselViewHandler2 InvalidCastException for MauiMediaElement.macios.cs when using CollectionViewHandler2 and CarouselViewHandler2 #2926

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Merged
TheCodeTraveler merged 1 commit into from
Nov 4, 2025
Merged

CarouselViewHandler2 InvalidCastException for MauiMediaElement.macios.cs when using CollectionViewHandler2 and CarouselViewHandler2 #2926

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4 changes: 2 additions & 2 deletions src/CommunityToolkit.Maui.MediaElement/Views/MauiMediaElement.macios.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -84,12 +84,12 @@ static ItemsViewController<TItemsView> GetInternalControllerForItemsView<TItemsV

// The Controller we need is a `protected internal` property called ItemsViewController in the ItemsViewHandler2 class: https://github.com/dotnet/maui/blob/70e8ddfd4bd494bc71aa7afb812cc09161cf0c72/src/Controls/src/Core/Handlers/Items2/ItemsViewHandler2.iOS.cs#L64
// In this method, we must use reflection to get the value of its backing field
static ItemsViewController<TItemsView> GetInternalControllerForItemsView2<TItemsView>(ItemsViewHandler2<TItemsView> handler) where TItemsView : ItemsView
static ItemsViewController2<TItemsView> GetInternalControllerForItemsView2<TItemsView>(ItemsViewHandler2<TItemsView> handler) where TItemsView : ItemsView
{
var nonPublicInstanceFields = typeof(ItemsViewHandler2<TItemsView>).GetFields(BindingFlags.NonPublic | BindingFlags.Instance);

var controllerProperty = nonPublicInstanceFields.Single(x => x.FieldType == typeof(ItemsViewController2<TItemsView>));
return (ItemsViewController<TItemsView>)(controllerProperty.GetValue(handler) ?? throw new InvalidOperationException($"Unable to get the value for the Controller property on {handler.GetType()}"));
return (ItemsViewController2<TItemsView>)(controllerProperty.GetValue(handler) ?? throw new InvalidOperationException($"Unable to get the value for the Controller property on {handler.GetType()}"));
}
}
// If we don't find an ItemsView, default to the current UIViewController
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