IsReadOnly Check in ControlTemplateトリガーwpf

Question

TextBoxでIsReadOnlyをチェックしたいと思います。

そして、ここでは、TextBoxのための私のスタイル、

ですが、私はその「IsReadOnlyの」プロパティを適用することはできません。

プロパティ= "IsReadOnlyの" と

"IsReadOnlyの" メンバー認識またはアクセスできないエラーが発生していないに下線登場。

なぜですか？

どのように修正できますか？

<ControlTemplate TargetType="{x:Type TextBox}"> 

全例：この

<!-- textbox Style --> 
     <Style x:Key="TextInputStyle" TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}"> 
      <Setter Property="FontSize" Value="12"/> 
      <Setter Property="Margin" Value="5,5,5,5"/> 
      <Setter Property="VerticalAlignment" Value="Center"/> 
      <Setter Property="Template"> 
       <Setter.Value> 
        <ControlTemplate> 
         <Border x:Name="bg" BorderBrush="#FF7F98DC" BorderThickness="1" Background="White"> 
          <ScrollViewer x:Name="PART_ContentHost" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> 
         </Border> 
         <ControlTemplate.Triggers> 
          <Trigger Property="IsMouseOver" Value="True"> 
           <Setter Property="BorderBrush" TargetName="bg" Value="#FF7E97F0"/> 
           <Setter Property="BorderThickness" TargetName="bg" Value="2"/> 
          </Trigger> 
          <Trigger Property="IsFocused" Value="True"> 
           <Setter Property="BorderBrush" TargetName="bg" Value="DarkBlue"/> 
           <Setter Property="BorderThickness" TargetName="bg" Value="2"/> 
          </Trigger> 
          <Trigger Property="IsEnabled" Value="False"> 
           <Setter Property="Foreground" Value="Gray"/> 
           <Setter Property="Background" TargetName="PART_ContentHost" Value="LightGray"/> 
          </Trigger> 

          <!--Here is an Error code! --> 
          <Trigger Property="IsReadOnly" Value="True"> 
           <Setter Property="Foreground" Value="Gray"/> 
           <Setter Property="Background" TargetName="PART_ContentHost" Value="LightGray"/> 
          </Trigger> 

         </ControlTemplate.Triggers> 
        </ControlTemplate> 
       </Setter.Value> 
      </Setter> 
     </Style> 

Answer 1

使用

<Window 
     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:WpfApp21" 
     xmlns:Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero" x:Class="WpfApp21.MainWindow" 
     mc:Ignorable="d" 
     Title="MainWindow" Height="350" Width="525"> 
    <Window.Resources> 
     <Style x:Key="TextInputStyle" TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}"> 
      <Setter Property="FontSize" Value="12"/> 
      <Setter Property="Margin" Value="5,5,5,5"/> 
      <Setter Property="VerticalAlignment" Value="Center"/> 
      <Setter Property="Template"> 
       <Setter.Value> 
        <ControlTemplate TargetType="{x:Type TextBox}"> 
         <Border x:Name="bg" BorderBrush="#FF7F98DC" BorderThickness="1" Background="White"> 
          <ScrollViewer x:Name="PART_ContentHost" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> 
         </Border> 
         <ControlTemplate.Triggers> 
          <Trigger Property="IsMouseOver" Value="True"> 
           <Setter Property="BorderBrush" TargetName="bg" Value="#FF7E97F0"/> 
           <Setter Property="BorderThickness" TargetName="bg" Value="2"/> 
          </Trigger> 
          <Trigger Property="IsFocused" Value="True"> 
           <Setter Property="BorderBrush" TargetName="bg" Value="DarkBlue"/> 
           <Setter Property="BorderThickness" TargetName="bg" Value="2"/> 
          </Trigger> 
          <Trigger Property="IsEnabled" Value="False"> 
           <Setter Property="Foreground" Value="Gray"/> 
           <Setter Property="Background" TargetName="PART_ContentHost" Value="LightGray"/> 
          </Trigger> 

          <!--Here is an Error code! --> 
          <Trigger Property="IsReadOnly" Value="True"> 
           <Setter Property="Foreground" Value="Gray"/> 
           <Setter Property="Background" TargetName="PART_ContentHost" Value="LightGray"/> 
          </Trigger> 

         </ControlTemplate.Triggers> 
        </ControlTemplate> 
       </Setter.Value> 
      </Setter> 
     </Style> 
    </Window.Resources> 
    <Grid> 
     <StackPanel> 
      <TextBox IsReadOnly="False" Style="{StaticResource TextInputStyle}" Text="FFFFFFFFFFFFFFFF"/> 
      <TextBox IsReadOnly="True" Style="{StaticResource TextInputStyle}" Text="TTTTTTTTTTTTTTT"/> 
     </StackPanel> 
    </Grid> 
</Window>