Long Binding Path : Binding « Windows Presentation Foundation « C# / C Sharp

1. C# / C Sharp
2. Windows Presentation Foundation
3. Binding

Long Binding Path

   

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:s="clr-namespace:System;assembly=mscorlib"
      FontSize="12pt"
      Name="page">
    <StackPanel>
        <TextBlock HorizontalAlignment="Center">
            First element in StackPanel
        </TextBlock>

        <ListBox HorizontalAlignment="Center"
                 Margin="24">
            <ListBoxItem>First</ListBoxItem>
            <ListBoxItem>Second</ListBoxItem>
            <ListBoxItem>Third</ListBoxItem>
            <ListBoxItem>Fourth</ListBoxItem>
            <ListBoxItem>Fifth</ListBoxItem>
        </ListBox>

        <TextBlock HorizontalAlignment="Center">
            <Label Content="Number of characters in third ListBox item = " />
            <Label Content="{Binding ElementName=page, Path=Content.Children[1].Items[2].Content.Length}" />
            <LineBreak />
            <Label Content="Number of characters in selected item = " />
            <Label Content="{Binding ElementName=page,Path=Content.Children[1].SelectedItem.Content.Length}" />
        </TextBlock>
    </StackPanel>
</Page>

   
    
    
  

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38.	Bind to a Method
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43.	Implement INotifyPropertyChanged to notify the binding targets when the values of properties change.
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