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TokenizingTextBox token counter does not follow dark theme

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评估

难度
2/5
预计耗时
1-3 小时
新手友好度
78/100
Issue 类型
缺陷
描述清晰度
描述清楚
活跃度
活跃
技术栈
csharp
领域
frontend

调研方向

从 issue 中指出的代码路径 components/TokenizingTextBox/src/TokenizingTextBoxItem.AutoSuggestBox.cs 中的 UpdateTokensCounter 开始。检查计数器的前景色如何设置,以及控件如何确定其主题。完成标准是:在 Gallery 示例中,token 计数器文本遵循控件的实际主题,包括深色主题。

由索引模型根据 Issue 内容生成。

描述

Describe the bug

While using TokenizingTextBox, I noticed that the token counter text remains dark when the control uses dark theme, making it difficult to read.

I checked the official Windows Community Toolkit Gallery and found the same behavior: switching the sample to dark theme leaves the counter (e.g. 4/5) dark.

UpdateTokensCounter directly assigns brushes from Application.Current.Resources whenever the token count changes, rather than preserving a theme-aware resource binding on the counter:

https://github.com/CommunityToolkit/Windows/blob/34a57f969bf7966e0a3cbe9d4d10a47758d097a0/components/TokenizingTextBox/src/TokenizingTextBoxItem.AutoSuggestBox.cs#L384-L400

Package version: CommunityToolkit.WinUI.Controls.TokenizingTextBox 8.2.251219

Steps to reproduce
1. Open the TokenizingTextBox sample in the official Gallery
2. Switch the sample to dark theme
3. Add some tokens and observe the counter color
Expected behavior

The counter foreground should follow the control's actual theme.

Screenshots
Image
Code Platform
  • UWP
  • WinAppSDK / WinUI 3
  • Web Assembly (WASM)
  • Android
  • iOS
  • MacOS
  • Linux / GTK
Windows Build Number
  • Windows 10 1809 (Build 17763)
  • Windows 10 1903 (Build 18362)
  • Windows 10 1909 (Build 18363)
  • Windows 10 2004 (Build 19041)
  • Windows 10 20H2 (Build 19042)
  • Windows 10 21H1 (Build 19043)
  • Windows 10 21H2 (Build 19044)
  • Windows 10 22H2 (Build 19045)
  • Windows 11 21H2 (Build 22000)
  • Windows 11 22H2 (Build 22621)
  • Windows 11 23H2 (Build 22631)
  • Windows 11 24H2 (Build 26100)
  • Windows 11 25H2 (Build 26200)
  • Windows 11 26H1 (Build 28000)
  • Other (specify)
Other Windows Build number

Windows 11 26H2 26300.9550

App minimum and target SDK version
  • Windows 10, version 1809 (Build 17763)
  • Windows 10, version 1903 (Build 18362)
  • Windows 10, version 1909 (Build 18363)
  • Windows 10, version 2004 (Build 19041)
  • Windows 10, version 2104 (Build 20348)
  • Windows 11, version 22H2 (Build 22000)
  • Windows 11, version 24H2 (Build 26100)
  • Windows 11, version 25H2 (Build 26200)
  • Windows 11, version 26H1 (Build 28000)
  • Other (specify)
Other SDK version

No response

Visual Studio Version

No response

Visual Studio Build Number

No response

Device form factor

No response

Additional context

No response

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