WPF:从Window继承

Question

我似乎在创建派生自System.Windows.Window的自定义窗口类型时遇到了一些麻烦.似乎有两个问题正在发生.首先,有一个编译时错误说明

在'Control'类型上找不到静态成员'ContentProperty'

这是对自定义窗口的ControlTemplate中的ContentPresenter元素的引用(请参阅下面的BaseWindowResource.xaml的代码示例).我不知道为什么会这样,因为BaseWindow派生自Window,因此必须有一个Content属性......

第二个问题是,当从BaseWindow派生的Window1完成渲染时,我似乎无法触发BaseWindow的ContentRendered事件...我需要处理BaseWindow中的ContentRendered事件,因为处理程序将包含很多代码,否则需要复制到每个派生类...

无论如何,这是代码.任何帮助都感激不尽!

干杯,

安德鲁

App.xaml中:

<Application x:Class="WpfApplication4.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             StartupUri="Window1.xaml">
    <Application.Resources>
        <ResourceDictionary Source="/BaseWindowResource.xaml" />
    </Application.Resources>
</Application>

BaseWindowResource.xaml:

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:WpfApplication4">
    <Style TargetType="{x:Type local:BaseWindow}" x:Key="BaseWindowStyleKey">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate>
                    <Grid>
                        <Rectangle Margin="20" Fill="Green" x:Name="MyRect" />
                        <ContentPresenter Margin="30" x:Name="MyContentPresenter"
                                          Content="{TemplateBinding Content}"
                                          ContentTemplate="{TemplateBinding ContentTemplate}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>

BaseWindow.cs:

    public class BaseWindow : Window
    {
        public BaseWindow()
        {
            Style = FindResource("BaseWindowStyleKey") as Style;

            ContentRendered += new EventHandler(BaseWindow_ContentRendered);
        }

        void BaseWindow_ContentRendered(object sender, EventArgs e)
        {
            ContentPresenter contentPresenter = Template.FindName("MyContentPresenter", this) as ContentPresenter;

            MessageBox.Show(String.Format("The dimensions for the content presenter are {0} by {1}",
                contentPresenter.ActualWidth,
                contentPresenter.ActualHeight));
        }
    }

Window1.xaml:

<local:BaseWindow x:Class="WpfApplication4.Window1"
                  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                  xmlns:local="clr-namespace:WpfApplication4"
                  Title="Window1" Height="300" Width="300">
</local:BaseWindow>

最后是Window1.xaml.cs:

public partial class Window1 : BaseWindow
{
    public Window1()
    {
        InitializeComponent();
    }
}

嗯,这就是所有的代码.它几乎隔离了问题.

干杯,

安德鲁

Answer 1

尝试指定类似如下的类型:

Content="{TemplateBinding Window.Content}"

我认为第二个问题与第一个问题有关.如果此解决方案未解决第二个问题,请在此处发表评论.