完全来源于十月的寒流,感谢大佬讲解
csharp
<Window x:Class="Test_01.MainWindow"
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:Test_01"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<StackPanel>
<TextBlock Text="{Binding ElementName=txt, Path=Text, StringFormat='Input: {0}'}" FontSize="30"></TextBlock>
<TextBlock Text="{Binding RelativeSource={RelativeSource AncestorType=StackPanel}, Path=Children[2].Text, StringFormat='Input: {0}'}" FontSize="30"></TextBlock>
<TextBox x:Name="txt" FontSize="30"></TextBox>
</StackPanel>
</Window>
RelativeSource解析不到
csharp
<Window x:Class="Test_01.MainWindow"
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:Test_01"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800" Loaded="Window_Loaded">
<StackPanel x:Name="Spanel">
<TextBlock Text="{Binding ElementName=txt, Path=Text, StringFormat='Input: {0}'}" FontSize="30"></TextBlock>
<TextBlock Text="{Binding RelativeSource={RelativeSource AncestorType=StackPanel}, Path=Children[2].Text, StringFormat='Input: {0}'}" FontSize="30"></TextBlock>
<!--<TextBox x:Name="txt" FontSize="30"></TextBox>-->
</StackPanel>
</Window>
csharp
using System;
using System.Collections.Generic;
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 Test_01
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
var box = new TextBox
{
Name = "txt",
};
this.RegisterName(box.Name, box);
Spanel.Children.Add(box);
}
}
public class MainWindowViewModel
{
public string Message { get; set; }
}
}
namescope详细了解下