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16.4.15.Format TextBox with MenuItem: normal, bold, italic |
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<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="WPF" Height="200" Width="300">
<DockPanel LastChildFill="True">
<Menu DockPanel.Dock="Top">
<MenuItem Header="_Edit">
<MenuItem Header="Cu_t" Command="ApplicationCommands.Cut" />
<MenuItem Header="_Copy" Command="ApplicationCommands.Copy" />
<MenuItem Header="_Paste" Command="ApplicationCommands.Paste"/>
<Separator/>
<MenuItem Click="SelectAll_Click" Header="_Select All" />
<MenuItem Click="Clear_Click" Header="_Clear" />
</MenuItem>
<MenuItem Header="_Format">
<MenuItem Click="TextStyle_Click" Header="_Normal" Name="miNormal" />
<MenuItem Click="TextStyle_Click" FontWeight="Bold" Header="_Bold" Name="miBold" />
<MenuItem Click="TextStyle_Click" FontStyle="Italic" Header="_Italic" Name="miItalic" />
</MenuItem>
</Menu>
<TextBox Name="txtTextBox" TextWrapping="Wrap">
text
</TextBox>
</DockPanel>
</Window>
//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Navigation
Imports System.Windows.Shapes
Namespace WpfApplication1
Public Partial Class Window1
Inherits Window
Public Sub New()
InitializeComponent()
End Sub
Private Sub Clear_Click(sender As Object, e As RoutedEventArgs)
txtTextBox.Clear()
End Sub
Private Sub SelectAll_Click(sender As Object, e As RoutedEventArgs)
txtTextBox.SelectAll()
End Sub
Private Sub TextStyle_Click(sender As Object, e As RoutedEventArgs)
If sender Is miNormal Then
txtTextBox.FontWeight = FontWeights.Normal
txtTextBox.FontStyle = FontStyles.Normal
ElseIf sender Is miBold Then
txtTextBox.FontWeight = FontWeights.Bold
ElseIf sender Is miItalic Then
txtTextBox.FontStyle = FontStyles.Italic
End If
End Sub
End Class
End Namespace
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16.4.TextBox | | 16.4.1. | You cannot use TextBox and Image at the same time for Button Content | | | | 16.4.2. | Single line and Multiline TextBox | | | | 16.4.3. | TextBox Column | | | | 16.4.4. | Bind value to TextBox | | | | 16.4.5. | An upside down TextBox | | | | 16.4.6. | Style with Data Trigger for TextBox | | | | 16.4.7. | TextBox with custom ErrorTemplate and ToolTip | | | | 16.4.8. | TextBox uses the ExceptionValidationRule and UpdateSourceExceptionFilter handler | | | | 16.4.9. | TextBox with UpdateSourceExceptionFilter handler | | | | 16.4.10. | TextBox focus listener | | | | 16.4.11. | TextBox MouseLeftButtonDown action and PreviewMouseLeftButtonDown action | | | | 16.4.12. | Mark the text control as being changed to prevent any text content or selection changed events | | | | 16.4.13. | Listen to TextBox text changed event | | | | 16.4.14. | Handler for the PreviewKeyDown event on the TextBox | | | | 16.4.15. | Format TextBox with MenuItem: normal, bold, italic | | | | 16.4.16. | TextBox: set text, select all, clear, prepend, insert, append, cut, paste, undo | | | | 16.4.17. | Set TextBox to editable | | | | 16.4.18. | Scroll TextBox | | | | 16.4.19. | Use TextBox.CommandBindingst to bind command | | | | 16.4.20. | Use Dictionary to record which textbox has been changed and not saved | | | | 16.4.21. | Set TextBox ContextMenu to null | | | | 16.4.22. | TextBox Selection start, end and selected text | | | | 16.4.23. | Scrollable TextBox Column | | | | 16.4.24. | Check Spelling Error | | |
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