从StaticResouce到数据网格ItemSource的绑定组合框选择

<Window.Resources>
    <CollectionViewSource x:Key="MyDataSource" Source="{Binding MyDataList}" />
</Window.Resources>

<DataGrid ItemsSource="{StaticResource MyDataSource}" AutoGenerateColumns="False">
    <DataGrid.Columns>
        <DataGridTemplateColumn Header="Select Option">
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <ComboBox ItemsSource="{Binding RelativeSource={RelativeSource AncestorType=Window}, Path=DataContext.Options}"
                              SelectedItem="{Binding SelectedOption}" />
                </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
        </DataGridTemplateColumn>
    </DataGrid.Columns>
</DataGrid>

public class MyViewModel : INotifyPropertyChanged
{
    private ObservableCollection<MyDataModel> _myDataList;
    public ObservableCollection<MyDataModel> MyDataList
    {
        get => _myDataList;
        set
        {
            _myDataList = value;
            OnPropertyChanged(nameof(MyDataList));
        }
    }

    private List<string> _options;
    public List<string> Options
    {
        get => _options;
        set
        {
            _options = value;
            OnPropertyChanged(nameof(Options));
        }
    }

    // Implement INotifyPropertyChanged methods...
}