In an Arabic (ar) environment, TextBlock Run behaves abnormally when displaying pure numbers. #11196
Description
Description
In an Arabic (ar) environment, TextBlock Run behaves abnormally when displaying pure numbers.
Reproduction Steps
Create a new .NET 9 WPF application and add the following code:
public MainWindow()
{
CultureInfo.CurrentUICulture = new CultureInfo("ar");
this.Language = XmlLanguage.GetLanguage(CultureInfo.CurrentUICulture.Name);
this.FlowDirection = CultureInfo.CurrentUICulture.TextInfo.IsRightToLeft ? FlowDirection.RightToLeft : FlowDirection.LeftToRight;
InitializeComponent();
}
<Window
x:Class="WpfApp1.MainWindow"
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"
Title="MainWindow"
Width="800"
Height="450"
mc:Ignorable="d">
<Grid HorizontalAlignment="Center" VerticalAlignment="Center">
<TextBlock FontSize="18" FontWeight="Bold">
<Run d:Text="25.4.10.10" Text="99.99.99.99" />
<LineBreak />
<Run d:Text="801" Text="801" />
<LineBreak />
<Run d:Text="802" Text="802" />
<LineBreak />
<Run d:Text="803" Text="803" />
<LineBreak />
</TextBlock>
</Grid>
</Window>
Expected behavior
Display numbers normally
Actual behavior
The displayed numbers are abnormal, like garbled text.
Regression?
No response
Known Workarounds
No response
Impact
No response
Configuration
No response
Other information
No response