Question

我正在尝试学习Caliburn micro用于Windows Phone 8应用开发。但我遇到问题，因为它只适用于主视图模型，并且无法将任何其他视图模型连接到其视图。这是除主页之外的其他页面的代码。请建议解决此问题。提前致谢

的Page1.xaml

<phone:PhoneApplicationPage
    x:Class="CalibMicro.Page1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    mc:Ignorable="d"
    shell:SystemTray.IsVisible="True">

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!--TitlePanel contains the name of the application and page title-->
        <StackPanel Grid.Row="0" Margin="12,17,0,28">
            <TextBlock Text="MY APPLICATION" Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock Text="page name" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
        </StackPanel>

        <!--ContentPanel - place additional content here-->
        <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
            <TextBlock x:Name="TextBox2" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="50" />
        </Grid>
    </Grid>

</phone:PhoneApplicationPage>

Page1ViewModel

using System.Windows;
namespace CalibMicro {
    public class Page1ViewModel : Caliburn.Micro.PropertyChangedBase 
    {
        public Page1ViewModel()
        {
            MessageBox.Show("Hello World !");
            TextBox2 = "Hello World";
        }

        private string _textBox2;
        public string TextBox2
        {
            get { return _textBox2; }
            set
            {
                _textBox2 = value;
                NotifyOfPropertyChange(() => TextBox2);
            }
        }
    }
}

AppBootStrapper

namespace CalibMicro {
    using System;
    using System.Collections.Generic;
    using System.Windows.Controls;
    using Microsoft.Phone.Controls;
    using Caliburn.Micro;

    public class AppBootstrapper : PhoneBootstrapperBase {
        PhoneContainer container;

        public AppBootstrapper() {
            Initialize();
        }

        protected override void Configure() {
            container = new PhoneContainer();
            if (!Execute.InDesignMode)
                container.RegisterPhoneServices(RootFrame);

            container.PerRequest<MainPageViewModel>();
            container.PerRequest<Page1ViewModel>();

            AddCustomConventions();
        }

        protected override object GetInstance(Type service, string key) {
            var instance = container.GetInstance(service, key);
            if (instance != null)
                return instance;

            throw new InvalidOperationException("Could not locate any instances.");
        }

        protected override IEnumerable<object> GetAllInstances(Type service) {
            return container.GetAllInstances(service);
        }

        protected override void BuildUp(object instance) {
            container.BuildUp(instance);
        }

        static void AddCustomConventions() {
            ConventionManager.AddElementConvention<Pivot>(Pivot.ItemsSourceProperty, "SelectedItem", "SelectionChanged").ApplyBinding =
                (viewModelType, path, property, element, convention) => {
                    if (ConventionManager
                        .GetElementConvention(typeof(ItemsControl))
                        .ApplyBinding(viewModelType, path, property, element, convention)) {
                        ConventionManager
                            .ConfigureSelectedItem(element, Pivot.SelectedItemProperty, viewModelType, path);
                        ConventionManager
                            .ApplyHeaderTemplate(element, Pivot.HeaderTemplateProperty, null, viewModelType);
                        return true;
                    }

                    return false;
                };

            ConventionManager.AddElementConvention<Panorama>(Panorama.ItemsSourceProperty, "SelectedItem", "SelectionChanged").ApplyBinding =
                (viewModelType, path, property, element, convention) => {
                    if (ConventionManager
                        .GetElementConvention(typeof(ItemsControl))
                        .ApplyBinding(viewModelType, path, property, element, convention)) {
                        ConventionManager
                            .ConfigureSelectedItem(element, Panorama.SelectedItemProperty, viewModelType, path);
                        ConventionManager
                            .ApplyHeaderTemplate(element, Panorama.HeaderTemplateProperty, null, viewModelType);
                        return true;
                    }

                    return false;
                };
        }
    }
}

Answer 1

CalibMicro.Page1应为CalibMicro.Page1View，因为您的viewmodel名为Page1ViewModel

Answer 2

尝试继承Screen而不是PropertyChangedBase

Page1ViewModel:Screen

Caliburn Micro for Windows Phone 8无法正常工作

2 个答案: