TextBlock的背景属性去掉弹力 [英] TextBlock Background Property removing stretch

问题描述

我定义为这​​样一个TextBox：

I have a TextBox defined as this:

<TextBox>
    <TextBox.Background>
        <VisualBrush>
            <VisualBrush.Visual>
                <StackPanel>
                    <TextBlock Background="Blue" Opacity="0.5" Text="155"/>
                </StackPanel>
            </VisualBrush.Visual>
        </VisualBrush>
    </TextBox.Background>
</TextBox>

它看起来是这样的：

It looks like this:

然而，当我删除背景属性，文本延伸是这样的：

However, when I remove the Background property, the text stretches like this:

有什么办法来添加背景不改变文字看起来？

Is there any way to add the background without changing the way the text looks?

推荐答案

这个问题的workarround，我不知道为什么它的发生是从文本块去除背景财产，并把它的背后是这样

a workarround of this problem which i don't know why it occurs would be to remove Background property from textblock and put it behind it like this

        <Grid>
            <Rectangle Fill="Blue"/>
            <TextBox Height="100">
                <TextBox.Background>
                    <VisualBrush Stretch="Fill" TileMode="None" AlignmentX="Left" AlignmentY="Top">
                        <VisualBrush.Visual>
                            <StackPanel>
                                <TextBlock Margin="0" Padding="0" Opacity="0.5" Text="155"/>
                            </StackPanel>

                        </VisualBrush.Visual>
                    </VisualBrush>
                </TextBox.Background>
            </TextBox>
        </Grid>

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