TextBlock输入小数点或者符号的位置问题

Question

当设置textblock的FlowDirection为RightToLeft, 输入小数点或者负号,

界面显示期望是100. 结果是.100

继续输入则变为正常了100.369

请问如何解决？

Answer 1

快沉了，自己先顶一下.

Answer 2

你好，

据我所知，FlowDirection属性设置为RightToLeft会导致一些不希望出现的问题，譬如你提到的小数点位置和我负号位置问题，因此，如果你仅仅是想使得文字右对齐显示，建议使用TextAlignment属性，以下为我的Sample：

<Grid>
        <Label Content="TextAlignment: " Margin="-100,0,0,60" Width="100" Height="30" />
        <TextBlock  Background="AliceBlue" TextAlignment="Right" Margin="100,0,0,60" Width="100" Height="30" Text="{Binding Text,ElementName=tbox}" />
        <Label Content="FlowDirection: " Margin="-100,60,0,0" Width="100" Height="30" />
        <TextBlock  Background="AliceBlue" FlowDirection="RightToLeft" Margin="100,60,0,0" Width="100" Height="30" Text="{Binding Text,ElementName=tbox}" />
        <TextBox Name="tbox" Height="30" Width="100" VerticalAlignment="Bottom"  />
    </Grid>

如动图所示，可以看到TextAlignment属性设置后，TextBlock可以正确显示。

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