无法更改添加到 ListView 的默认值

Question

我在 ListView 中输入了一些值。我在 MainWindow() 方法中执行此操作，然后再执行此操作。虽然后面添加的数据可以改，但是我在MainWindow()方法里放的值是不能改的 我工作的主窗口类从 xml 文件加载数据并输入到 ObservationCollection

ObservableCollection<MonitorData> monitorList = new ObservableCollection<MonitorData>();

    public ObservableCollection<MonitorData> MonitorList
    {
        get
        {
            return monitorList;
        }
    }

    public MainWindow()
    {

        DataContext = this;
        InitializeComponent();
        using (XmlReader reader = XmlReader.Create(@"/monitor.xml"))
        {
            string name = string.Empty;
            string address = string.Empty;
            string type = string.Empty;

            while (reader.Read())
            {
                if (reader.IsStartElement())
                {
                    switch (reader.Name.ToString())
                    {
                        case "name":
                            name = reader.ReadElementContentAsString();
                            break;
                        case "address":
                            address = reader.ReadElementContentAsString();
                            break;
                        case "type":
                            type = reader.ReadElementContentAsString();
                            monitorList.Add(new MonitorData() { Name = name, Address = address, Type = type });
                            break;
                    }
                }
            }
        }

xaml - 我尝试从 xml 文件中呈现数据

<Window
    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:Monitor" x:Class="Monitor.MainWindow"
    mc:Ignorable="d"
    Title="MainWindow" Height="1332.047" Width="810">

<Window.Resources>

    <Style TargetType="{x:Type GridViewColumnHeader}">
        <Setter Property="HorizontalContentAlignment" Value="Center" />
    </Style>

</Window.Resources>
<Grid>
    <ListView Margin="5" x:Name="MonitoringListView" ItemsSource="{Binding MonitorList}">
        <ListView.View>
            <GridView>
                <GridViewColumn Header="Name" Width="200" DisplayMemberBinding="{Binding Name}"/>
                <GridViewColumn Header="Address" Width="200" DisplayMemberBinding="{Binding Address}"/>
                <GridViewColumn Header="Type" Width="200" DisplayMemberBinding="{Binding Type}"/>
                <GridViewColumn Header="Availability" Width="200" DisplayMemberBinding="{Binding Enabled}" />
            </GridView>
        </ListView.View>
    </ListView>
</Grid>

我的班级

public class MonitorData
{
    public string Name { get; set; }
    public string Address { get; set; }
    public string Type { get; set; }
    public bool Enabled { get; set; }
}

我每 10 秒添加一次数据并尝试更改它， 可以更改我在 Timer_Tick 中添加的数据，但不知何故无法从 xml 文件更改我在 MainWindow() 中输入的数据

private void Timer_Tick(object sender, EventArgs e)
    {
        monitorList.Add(new MonitorData() { Name = "new", Address = "111", Type = "sometype", Enabled = true });
        for (int i = 0; i < monitorList.Count; i++)
        {

            monitorList[i].Name = "new name";
            monitorList[i].Enabled = true;
        }

    }

Answer 1

如果要显示更新，MonitorData 类应实现 INotifyPropertyChanged 接口。