WPF ComboBox选择导致在第二个ComboBox中进行选择

我将两个组合框绑定到同一listviewcollection。问题在于，在一个组合框中选择一个值会导致另一个组合框选择的项目更改为第一个组合框的确切值。它们是耦合的，我希望它们彼此独立。

MyListViewCollection是这样的

modelsView = new ListCollectionView(MainVM.All_Models);

All_Models 是这样的可观察的自定义对象集合

public ObservableCollection<MLModel> All_Models { get; set; } = new ObservableCollection<MLModel>() { };

我将两个ComboBox绑定为modelsview这样

<ComboBox ItemsSource="{Binding Path=modelsView}" SelectedItem="{Binding SelectedModel_Right}" SelectionChanged="RightSideModelSelection">

<ComboBox ItemsSource="{Binding Path=modelsView}" SelectedItem="{Binding SelectedModel_Left}" SelectionChanged="LeftSideModelSelection">

因此，一切正常，组合框包含来自Models视图的相同项目列表，这正是我想要的。我肯定已将所选项目绑定到视图模型中的两个单独的属性，这些是

    private MLModel _selectedModel_left;
    public MLModel SelectedModel_Left
    {
        get { return _selectedModel_left; }
        set
        {
            SetProperty(ref _selectedModel_left, value);
        }
    }

    private MLModel _selectedModel_right;
    public MLModel SelectedModel_Right
    {
        get { return _selectedModel_right; }
        set
        {
            SetProperty(ref _selectedModel_right, value);
        }
    }

我唯一能想到的是它们都引用了集合中的同一对象，但是我不确定它是如何导致此行为的。同样，期望的行为是每个组合框都能够选择和显示来自同一集合的不同项目。

任何解释都将是有帮助的，也是建议的方法来使两个组合框选择彼此分离。

编辑：按要求在这里是创建最小工作示例的代码

MainWindow.xaml

<Window x:Class="WpfApplication3.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApplication3"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <StackPanel Orientation="Vertical">
            <ComboBox ItemsSource="{Binding Path=modelsView}" SelectedItem="{Binding SelectedModel_Left}" >
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Path=Name}"></TextBlock>
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
            <ComboBox ItemsSource="{Binding Path=modelsView}" SelectedItem="{Binding SelectedModel_Right}" >
                <ComboBox.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Path=Name}"></TextBlock>
                    </DataTemplate>
                </ComboBox.ItemTemplate>
            </ComboBox>
        </StackPanel>
    </Grid>
</Window>

MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication3
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            DataContext = new ViewModel();
        }
    }
}

MLModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WpfApplication3
{
    public class MLModel
    {
        public string Name { get; set; }
        public string Type { get; set; }
    }
}

ViewModel.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;

namespace WpfApplication3
{
    public class ViewModel : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;
        private void NotifyPropertyChanged([CallerMemberName] String propertyName = "")
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
        public ViewModel()
        {
            modelsView = new ListCollectionView(All_Models);
            //modelsView.Filter = modelsFilter;
        }
        public ListCollectionView modelsView { get; set; }

        public ObservableCollection<MLModel> All_Models { get; set; } = new ObservableCollection<MLModel>() {
            new MLModel() { Name = "One", Type = "TypeOne" },
            new MLModel() {Name = "Two", Type = "TypeTwo" },
            new MLModel() {Name = "Three", Type = "TypeThree" }
        };

        private MLModel _selectedModel_left;
        public MLModel SelectedModel_Left
        {
            get { return _selectedModel_left; }
            set
            {
                this._selectedModel_left = value;
                NotifyPropertyChanged();
            }
        }

        private MLModel _selectedModel_right;


        public MLModel SelectedModel_Right
        {
            get { return _selectedModel_right; }
            set
            {
                this._selectedModel_right = value;
                NotifyPropertyChanged();
            }
        }
    }
}