Caliburn Micro-在选项卡控件上显示名称-初学者问题

Question

参考

Github项目CMTabNavigation

TargetFramework netcoreapp3.0

PackageReference Caliburn.Micro版本=“ 4.0.105-alpha”

我正在做我的第一个示例，以在用户单击菜单项时在选项卡控件中显示ViewModel。该示例工作正常，但选项卡上的显示名称不起作用。你能帮我吗？>

<Window x:Class="CMTabNav.Views.ShellView"
        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:cal="http://www.caliburnproject.org"
        xmlns:local="clr-namespace:CMTabNav.Views"
        mc:Ignorable="d"
        Title="ShellView" Height="450" Width="800">
    <DockPanel>
        <Menu DockPanel.Dock="Top" FontSize="25">
            <MenuItem Header="_File">
                <MenuItem.Background>
                    <RadialGradientBrush>
                        <GradientStop Color="Black" Offset="0"/>
                        <GradientStop Color="#FFC3C1AD" Offset="0.105"/>
                    </RadialGradientBrush>
                </MenuItem.Background>
                <MenuItem x:Name="PartsList" Header="_Parts List" />
                <MenuItem x:Name="AssembliesList" Header="_Assembly List" />
                <MenuItem x:Name="Demo" Header="_Demo" />
                <MenuItem x:Name="ExitApplication" Header="_Exit" />
            </MenuItem>

        </Menu>
        <Grid>
            <TabControl x:Name="Items">
                <TabControl.ItemTemplate>
                    <DataTemplate>
                        <StackPanel Orientation="Horizontal">
                            <TextBlock Text="{Binding DisplayName}" />
                            <Button Content="X"  
                                cal:Message.Attach="DeactivateItem($dataContext, 'true')" />

                        </StackPanel>

                    </DataTemplate>
                </TabControl.ItemTemplate>
            </TabControl>


            <!--<ContentControl x:Name="ActiveItem" Margin="20 5 20 20">

            </ContentControl>-->
        </Grid>
    </DockPanel>
</Window>
ShellViewModel.cs

using Caliburn.Micro;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;

namespace CMTabNav.ViewModels
{
    public class ShellViewModel : Conductor<object>.Collection.OneActive
    {
        public ShellViewModel()
        {

        }

        public void PartsList()
        {

            ActivateItemAsync(IoC.Get<PartsListViewModel>(), new CancellationToken());
             DisplayName = "Part List";

        }
        public void AssembliesList() //AssembliesList
        {
            ActivateItemAsync(IoC.Get<AssembliesListViewModel>(), new CancellationToken());
            DisplayName = "Assembly List";
        }
        public void Demo()
        {
            ActivateItemAsync(IoC.Get<DemoViewModel>(), new CancellationToken());
            DisplayName = "Demo View";
        }



    }
}
PartsListViewModel.cs

using Caliburn.Micro;
using System;
using System.Collections.Generic;
using System.Text;

namespace CMTabNav.ViewModels
{
    class PartsListViewModel: Screen
    {
    }
}

参考Github项目CMTabNavigation TargetFramework netcoreapp3.0 PackageReference Caliburn.Micro Version =“ 4.0.105-alpha”我正在做我的第一个示例，以在...时在选项卡控件中显示ViewModel]]

Answer 1

class PartsListViewModel : PropertyChangedBase, IHaveDisplayName
{
    public string DisplayName { get; set; }
}