Removed the INC registrations for list view items.
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@@ -1,4 +1,3 @@
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using System.ComponentModel;
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using CommunityToolkit.WinUI;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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@@ -23,26 +22,17 @@ public partial class WinoMailItemViewModelListViewItem : ListViewItem
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partial void OnItemPropertyChanged(DependencyPropertyChangedEventArgs e)
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{
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// TODO: This slows down. Optimize later.
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if (e.OldValue is MailItemViewModel oldMailItemViewModel) UnregisterPropertyChanged(oldMailItemViewModel);
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if (e.NewValue is MailItemViewModel newMailItemViewModel) RegisterPropertyChanged(newMailItemViewModel);
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if (e.OldValue is MailItemViewModel oldItem)
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oldItem.OnSelectionChanged = null;
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if (e.NewValue is MailItemViewModel mailItemViewModel)
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IsCustomSelected = mailItemViewModel.IsSelected;
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else
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IsCustomSelected = false;
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}
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private void RegisterPropertyChanged(MailItemViewModel model) => model.PropertyChanged += ModelPropertyChanged;
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private void UnregisterPropertyChanged(MailItemViewModel model) => model.PropertyChanged -= ModelPropertyChanged;
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private void ModelPropertyChanged(object? sender, PropertyChangedEventArgs e)
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{
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if (sender is not MailItemViewModel mailItemViewModel) return;
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if (e.PropertyName == nameof(MailItemViewModel.IsSelected))
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if (e.NewValue is MailItemViewModel newItem)
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{
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IsCustomSelected = mailItemViewModel.IsSelected;
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newItem.OnSelectionChanged = (selected) => IsCustomSelected = selected;
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IsCustomSelected = newItem.IsSelected;
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}
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else
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{
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IsCustomSelected = false;
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}
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}
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}
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