Bind TextBlock to TextBox : TextBox « Windows Presentation Foundation « C# / CSharp Tutorial






<Window x:Class="FontViewer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Teach Yourself WPF: Font Viewer"
        Height="480"
        Width="640">
    <DockPanel Margin="8">

        <ListBox x:Name="FontList"
                 DockPanel.Dock="Left"
                 ItemsSource="{x:Static Fonts.SystemFontFamilies}"
                 Width="160" />
        <TextBox x:Name="SampleText"
                 DockPanel.Dock="Bottom"
                 MinLines="4"
                 Margin="8 0"
                 TextWrapping="Wrap">
            <TextBox.ToolTip>
                <TextBlock>
                    <Italic Foreground="Red">Instructions: </Italic> Type here to change the preview text.
                </TextBlock>
            </TextBox.ToolTip>
            The quick brown fox jumps over the lazy dog.
        </TextBox>
        <StackPanel Margin="8 0 8 8">
            <TextBlock Text="{Binding ElementName=SampleText, Path=Text}"
                       FontFamily="{Binding ElementName=FontList,Path=SelectedItem}"
                       FontSize="10"
                       TextWrapping="Wrap"
                       Margin="0 0 0 4" />
            <TextBlock Text="{Binding ElementName=SampleText, Path=Text}"
                       FontFamily="{Binding ElementName=FontList,Path=SelectedItem}"
                       FontSize="16"
                       TextWrapping="Wrap"
                       Margin="0 0 0 4" />
            <TextBlock Text="{Binding ElementName=SampleText, Path=Text}"
                       FontFamily="{Binding ElementName=FontList,Path=SelectedItem}"
                       FontSize="24"
                       TextWrapping="Wrap"
                       Margin="0 0 0 4" />
            <TextBlock Text="{Binding ElementName=SampleText, Path=Text}"
                       FontFamily="{Binding ElementName=FontList,Path=SelectedItem}"
                       FontSize="32"
                       TextWrapping="Wrap" />
        </StackPanel>
    </DockPanel>
</Window>
WPF Bind Text Block To Text Box








24.13.TextBox
24.13.1.Bind TextBlock to TextBoxBind TextBlock to TextBox
24.13.2.Assign your own class to DataContent and bind to TextBoxAssign your own class to DataContent and bind to TextBox
24.13.3.TextBox: set text, select all, clear, prepend, insert, append, cut, paste, undoTextBox: set text, select all, clear, prepend, insert, append, cut, paste, undo
24.13.4.Set TextBox to editableSet TextBox to editable
24.13.5.Scroll TextBoxScroll TextBox
24.13.6.Use Dictionary to record which textbox has been changed and not savedUse Dictionary to record which textbox has been changed and not saved
24.13.7.Set TextBox ContextMenu to nullSet TextBox ContextMenu to null
24.13.8.TextBox Selection start, end and selected textTextBox Selection start, end and selected text
24.13.9.Scrollable TextBox ColumnScrollable TextBox Column
24.13.10.Check Spelling ErrorCheck Spelling Error