Fixed AutomationProperties.Name for DatePicker Button

[dipeshmsft]

Description

The "Show Calendar" button for DatePicker control did not have any name set to it, which causes issues for users using Accessibility Features in Windows.

Customer Impact

Customers using Accessibility Features in Windows, like Narrator, etc. will be able to use the control with ease.

Regression

No

Testing

Local app + Narrator testing

Risk

Minimal

Microsoft Reviewers: Open in CodeFlow

[Copilot]

Pull Request Overview

This PR fixes an accessibility issue by adding the missing AutomationProperties.Name attribute ("Show Calendar") to the DatePicker button.

• Updates the DatePicker button in all relevant theme files (Fluent, Fluent.Light, Fluent.HC, Fluent.Dark)
• Applies the same accessibility fix in the DatePicker.xaml style to improve compatibility with accessibility tools

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
Fluent.xaml	Added AutomationProperties.Name attribute to the DatePicker button
Fluent.Light.xaml	Updated DatePicker button for consistent accessibility naming
Fluent.HC.xaml	Fixed missing AutomationProperties.Name for accessibility compliance
Fluent.Dark.xaml	Unified accessibility property update for DatePicker button
DatePicker.xaml	Applied AutomationProperties.Name update in button style

[Copilot]

[nitpick] Consider using a resource binding for the AutomationProperties.Name attribute to support localization, ensuring that accessibility text can be translated as needed.

[Copilot]

[nitpick] Consider using a resource binding for the AutomationProperties.Name attribute to support localization, ensuring that accessibility text can be translated as needed.

Suggested change

	<Button x:Name="PART_Button" Grid.Column="1" VerticalAlignment="Stretch" Style="{StaticResource CalendarButtonStyle}" AutomationProperties.Name="Show Calendar" Focusable="False" MinWidth="30">
	<Button x:Name="PART_Button" Grid.Column="1" VerticalAlignment="Stretch" Style="{StaticResource CalendarButtonStyle}" AutomationProperties.Name="{DynamicResource DatePicker_ShowCalendar}" Focusable="False" MinWidth="30">

[Copilot]

[nitpick] Consider using a resource binding for the AutomationProperties.Name attribute to support localization, ensuring that accessibility text can be translated as needed.

Suggested change

	<Button x:Name="PART_Button" Grid.Column="1" VerticalAlignment="Stretch" Style="{StaticResource CalendarButtonStyle}" AutomationProperties.Name="Show Calendar" Focusable="False" MinWidth="30">
	<Button x:Name="PART_Button" Grid.Column="1" VerticalAlignment="Stretch" Style="{StaticResource CalendarButtonStyle}" AutomationProperties.Name="{DynamicResource DatePicker_ShowCalendar}" Focusable="False" MinWidth="30">

[Copilot]

[nitpick] Consider using a resource binding for the AutomationProperties.Name attribute to support localization, ensuring that accessibility text can be translated as needed.

Suggested change

	<Button x:Name="PART_Button" Grid.Column="1" VerticalAlignment="Stretch" Style="{StaticResource CalendarButtonStyle}" AutomationProperties.Name="Show Calendar" Focusable="False" MinWidth="30">
	<Button x:Name="PART_Button" Grid.Column="1" VerticalAlignment="Stretch" Style="{StaticResource CalendarButtonStyle}" AutomationProperties.Name="{DynamicResource DatePickerShowCalendarText}" Focusable="False" MinWidth="30">

[Copilot]

[nitpick] Consider using a resource binding for the AutomationProperties.Name attribute here as well to support localization, ensuring accessibility text is maintained across cultures.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 13.36679%. Comparing base (7f34908) to head (5f2af96).
Report is 2 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##               main      #10949          +/-   ##
===================================================
+ Coverage   2.98754%   13.36679%   +10.37924%     
===================================================
  Files          3319        3319                  
  Lines        664894      664894                  
  Branches      74674       74674                  
===================================================
+ Hits          19864       88875       +69011     
+ Misses       644849      573479       -71370     
- Partials        181        2540        +2359     

Flag	Coverage Δ
Debug	13.36679% <ø> (+10.37924%)	⬆️

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