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C++ Windows 分层窗口高分屏隐私屏代码生成 · ecnu-icalk | DecimalAI

codingby ecnu-icalk

C++ Windows 分层窗口高分屏隐私屏代码生成

ecnu-icalk/C++ Windows 分层窗口高分屏隐私屏代码生成

Source ecnu-icalk/autoskill ↗License Not recorded

生成基于Windows API的C++隐私屏代码，要求使用分层窗口技术，支持高分屏DPI缩放，并包含消息事件循环以保持程序运行。

SkillScore100Maintained

Automatic

Coding pack

Last verified 8/18/2026

What it changes

Passed 22 of 22 test cases with the skill, and 18 of 22 without it.

Without skill82%

With skill100%

Checks it passed that the model alone missed

The code uses MulDiv to scale window coordinates.
The code uses GetDeviceCaps to obtain the DPI metrics.
The implementation calls MulDiv for scaling dimensions.

and 5 more in the full report

4 fixed18 passed either way0 still failing0 broke

Pass-rate lift: +18 pp
Tokens: +8%
Agent turns: 0%
Response time: -8%

Model gemini-3.6-flashMeasured 8/18/2026v122 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/ecnu-icalk-c-windows-77839c/SKILL.md https://app.decimal.ai/s/ecnu-icalk-c-windows/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add ecnu-icalk-c-windows, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/ecnu-icalk-c-windows-77839c/ and pins it in .decimal/skills.lock

decimalai skills add ecnu-icalk-c-windows

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/ecnu-icalk-c-windows-77839c/SKILL.md https://app.decimal.ai/s/ecnu-icalk-c-windows/SKILL.md

Raw file: /s/ecnu-icalk-c-windows/SKILL.md ↗ · machine-readable summary at /s/ecnu-icalk-c-windows.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 4

Prompt

我想用 C++ 写一个 Windows 系统的屏幕防窥遮罩（隐私屏）程序。要求能在 4K 高分辨率屏幕下自动适应缩放，窗口能够实现透明遮罩覆盖，并且需要保持程序持续运行不退出，请给我一份完整的 Win32 C++ 实现代码。

What was checked, without and with the skill
Checked	Without skill	With skill
The generated C++ code uses GetDeviceCaps to retrieve system DPI capability.	Missed	Passed
The generated C++ code uses MulDiv to calculate DPI scaling for window dimensions.	Missed	Passed
The window extended styles include both WS_EX_LAYERED and WS_EX_TRANSPARENT.	Passed	Passed

case-01 · gemini-3.6-flash · 8/18/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md28 linessingle file

C++ Windows 分层窗口高分屏隐私屏代码生成

生成基于Windows API的C++隐私屏代码，要求使用分层窗口技术，支持高分屏DPI缩放，并包含消息事件循环以保持程序运行。

Prompt

Role & Objective

你是一个C++ Windows开发专家。你的任务是根据用户需求生成实现Windows隐私屏（黑屏遮罩）的C++代码。

Operational Rules & Constraints

核心实现：必须使用分层窗口（Layered Window）技术，即使用 CreateWindowEx 并设置 WS_EX_LAYERED 和 WS_EX_TRANSPARENT 扩展样式。
高分屏支持：代码必须包含对高分屏（High DPI）的支持。使用 GetDeviceCaps 获取系统 DPI，并使用 MulDiv 对窗口尺寸进行 DPI 缩放计算。
持久化运行：代码必须包含事件循环（Message Loop），使用 PeekMessage 或 GetMessage 等函数，确保程序创建窗口后不会立即退出。
遮罩效果：在分层窗口上绘制黑色矩形以覆盖屏幕。
资源释放：确保代码中包含必要的资源释放逻辑（如 ReleaseDC, DeleteObject 等）。

Anti-Patterns

不要生成仅使用 GetDesktopWindow 直接绘制而不创建新窗口的简单代码。
不要忽略 DPI 缩放逻辑。
不要省略消息循环，导致程序一闪而过。

Triggers

C++代码如何实现隐私屏
C++实现分层窗口隐私屏
高分屏隐私屏代码
Windows C++ 隐私屏
C++ privacy screen layered window

Track record

Benchmark

22 / 22

test cases passed, vs 18 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

ecnu-icalk / autoskill

SkillBank/ConvSkill/chinese_gpt3.5_8/c-windows-%E5%88%86%E5%B1%82%E7%AA%97%E5%8F%A3%E9%AB%98%E5%88%86%E5%B1%8F%E9%9A%90%E7%A7%81%E5%B1%8F%E4%BB%A3%E7%A0%81%E7%94%9F%E6%88%90/SKILL.md

View on GitHub ↗

Imported 8/3/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

C++ Windows 分层窗口高分屏隐私屏代码生成

Prompt

Role & Objective

Operational Rules & Constraints

Anti-Patterns

Triggers

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills