Wpf XMLDataProvider绑定到UserControl DependencyProperties不起作用
由于某些原因，当绑定到UserControl时，我的XMLDataProvider无法工作，否则它确实可以工作 我的用户控件，CreditExpander：Wpf XMLDataProvider绑定到UserControl DependencyProperties不起作用,wpf,xaml,binding,user-controls,xmldataprovider,Wpf,Xaml,Binding,User Controls,Xmldataprovider,由于某些原因，当绑定到UserControl时，我的XMLDataProvider无法工作，否则它确实可以工作 我的用户控件，CreditExpander： using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using S
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace UI.Credits.Controls
{
public partial class CreditExpander : UserControl
{
#region DEPENDENCY PROPERTIES
public static readonly DependencyProperty TitleProperty = DependencyProperty.Register("Title", typeof(string), typeof(CreditExpander), new PropertyMetadata("Title", ABC));
public string Title
{
get { return (string)GetValue(NameProperty); }
set { SetValue(NameProperty, value); }
}
public static readonly DependencyProperty HomepageUrlProperty = DependencyProperty.Register("HomepageUrl", typeof(string), typeof(CreditExpander), new PropertyMetadata("http://www.google.com"));
public string HomepageUrl
{
get { return (string)GetValue(HomepageUrlProperty); }
set { SetValue(HomepageUrlProperty, value); }
}
public static readonly DependencyProperty LicenceProperty = DependencyProperty.Register("Licence", typeof(string), typeof(CreditExpander), new PropertyMetadata("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum"));
public string Licence
{
get { return (string)GetValue(LicenceProperty); }
set { SetValue(LicenceProperty, value); }
}
public static readonly DependencyProperty IsLicenceVisibleProperty = DependencyProperty.Register("IsLicenceVisible", typeof(bool), typeof(CreditExpander), new PropertyMetadata(false));
public bool IsLicenceVisible
{
get { return (bool)GetValue(IsLicenceVisibleProperty); }
set { SetValue(IsLicenceVisibleProperty, value); }
}
#endregion
#region CONSTRUCTOR(S)
public CreditExpander()
{
InitializeComponent();
}
#endregion
#region PRIVATE METHODS
private static void ABC(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
}
private void Homepage_Click(object sender, RoutedEventArgs e)
{
Process.Start(new ProcessStartInfo(this.HomepageUrl));
}
private void ShowLicence_Click(object sender, RoutedEventArgs e)
{
IsLicenceVisible = !IsLicenceVisible;
}
#endregion
}
}
<UserControl x:Class="UI.Credits.Controls.CreditExpander"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="300">
<UserControl.Resources>
<BooleanToVisibilityConverter x:Key="BoolVisibilityConverter" />
</UserControl.Resources>
<Grid Margin="5">
<Grid.RowDefinitions>
<RowDefinition Height="auto" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<!--header-->
<Grid Background="#C3D9FF">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="auto" />
<ColumnDefinition Width="auto" />
</Grid.ColumnDefinitions>
<TextBlock Text="{Binding Title}" Padding="10" FontWeight="Bold" FontSize="14" />
<TextBlock Grid.Column="1" VerticalAlignment="Center" Padding="10">
<Hyperlink NavigateUri="{Binding HomepageUrl}" Click="Homepage_Click">Homepage</Hyperlink>
</TextBlock>
<TextBlock Grid.Column="2" VerticalAlignment="Center" Padding="10">
<Hyperlink Click="ShowLicence_Click">
<TextBlock>
<TextBlock.Style>
<Style TargetType="TextBlock">
<Style.Triggers>
<!--toggle text-->
<DataTrigger Binding="{Binding IsLicenceVisible}" Value="True">
<Setter Property="Text" Value="Hide Licence" />
</DataTrigger>
<DataTrigger Binding="{Binding IsLicenceVisible}" Value="False">
<Setter Property="Text" Value="Show Licence" />
</DataTrigger>
</Style.Triggers>
</Style>
</TextBlock.Style>
</TextBlock>
</Hyperlink>
</TextBlock>
</Grid>
<!--licence-->
<TextBlock Name="txtLicence" Grid.Row="1" Text="{Binding Licence}" Visibility="{Binding IsLicenceVisible, Converter={StaticResource BoolVisibilityConverter}}" TextWrapping="Wrap" FontFamily="Consolas" FontSize="11" Padding="5" Background="#E8EEF7"/>
</Grid>
</UserControl>
主页
<Window x:Class="UI.Credits.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:ctrl="clr-namespace:UI.Credits.Controls"
Title="Credits" Height="350" Width="525"
DataContext="{Binding RelativeSource={RelativeSource Self}}">
<Window.Resources>
<XmlDataProvider x:Key="CreditsData" Source="Data\Credits.xml" XPath="Credits" IsAsynchronous="True" />
</Window.Resources>
<ItemsControl ItemsSource="{Binding Source={StaticResource CreditsData}, XPath=Credit}">
<ItemsControl.ItemTemplate>
<DataTemplate>
<!--works-->
<StackPanel Orientation="Horizontal">
<TextBlock FontSize="12" Foreground="Red" Text="{Binding XPath=Title}"/>
<TextBlock FontSize="12" Foreground="Red" Text="{Binding XPath=HomepageUrl}"/>
</StackPanel>
<!--does not work-->
<!--<ctrl:CreditExpander Title="{Binding XPath=Title}" HomepageUrl="{Binding XPath=HomepageUrl}" Licence="{Binding XPath=Licence}" />-->
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
</Window>
<?xml version="1.0" encoding="utf-8" ?>
<Credits>
<Credit>
<Title>moq</Title>
<HomepageUrl>https://github.com/Moq/moq</HomepageUrl>
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</Licence>
</Credit>
<Credit>
<Title>math.net</Title>
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<Licence>
Copyright (c) 2002-2014 Math.NET
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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</Licence>
</Credit>
</Credits>
最小起订量
https://github.com/Moq/moq
Apache许可证
版本2.0，2004年1月
http://www.apache.org/licenses/
使用、复制和分发的条款和条件
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