Set TextBox to editable
<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= "300" Width= "300" > <StackPanel> <TextBox AcceptsReturn= "True" Height= "100" IsReadOnly= "True" Name= "textBox1" TextAlignment= "Left" TextWrapping= "Wrap" VerticalScrollBarVisibility= "Auto" > Default starting text. </TextBox> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition/> </Grid.ColumnDefinitions> <RadioButton Checked= "EditableChecked" Grid.Column= "0" HorizontalAlignment= "Center" IsChecked= "True" Margin= "5" Name= "editableRadioButton" > Editable</RadioButton> <RadioButton Checked= "EditableChecked" Grid.Column= "1" HorizontalAlignment= "Center" Margin= "5" Name= "readonlyRadioButton" > Read Only</RadioButton> </Grid> </StackPanel> </Window> //File:Window.xaml.vb Imports System.Windows Imports System.Windows.Controls Namespace WpfApplication1 Public Partial Class Window1 Inherits Window Public Sub New () InitializeComponent () End Sub Private Sub EditableChecked ( sender As Object, e As RoutedEventArgs ) Dim button As RadioButton = TryCast ( e.OriginalSource, RadioButton ) If e.OriginalSource Is editableRadioButton Then textBox1.IsReadOnly = False ElseIf e.OriginalSource Is readonlyRadioButton Then textBox1.IsReadOnly = True End If textBox1.Focus () End Sub End Class End Namespace
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