A spreadsheet control for .NET desktop apps built with WinForms or WPF. It adds an Excel-like grid with formulas, editing, charts, printing, and Excel file support.

Use it to embed editable tables, read or write .xlsx and .xls files, validate and sort data, create basic charts, and export or print spreadsheet content.

It avoids building spreadsheet behavior from scratch or requiring Microsoft Excel through COM. It lets desktop users work with familiar rows, columns, formulas, and formatting inside your application.

reogrid — Skill for Claude Code and Codex by znlgis/opengis-skills

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add znlgis/opengis-skills --skill reogrid

Clone the repo

git clone --depth 1 https://github.com/znlgis/opengis-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/znlgis/opengis-skills/reogrid/github.svg)](https://agentmods.dev/skills/znlgis/opengis-skills/reogrid)

Your own site

<a href="https://agentmods.dev/skills/znlgis/opengis-skills/reogrid"><img src="https://agentmods.dev/badge/skills/znlgis/opengis-skills/reogrid/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/znlgis/opengis-skills/reogrid"><img src="https://agentmods.dev/badge/skills/znlgis/opengis-skills/reogrid.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 107 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 4,398 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00107	$0.04398
Opus 5.5	$0.00043	$0.01759
Sonnet 5.5	$0.00021	$0.00880
Haiku 4.5	$0.00011	$0.00440

Measured today against content hash 8305d0ec8f71, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

reogrid scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

csharp/reogrid/SKILL.md · 440 lines

How it starts

The opening of the file, as written. The whole thing — 440 lines — stays where its author put it; the contents beside it link to each section on GitHub.

项目地址： https://github.com/unvell/ReoGrid

官网： https://reogrid.net/

NuGet： unvell.ReoGrid.DLL（WinForms，net48 / net8.0-windows）、unvell.ReoGridWPF.dll（WPF）、unvell.ReoGrid8.dll（.NET 8 重打包，作者 Jingwood）

最新版本： unvell.ReoGrid.dll 3.3.1 / unvell.ReoGridWPF.dll 3.3.0 / unvell.ReoGrid8.dll 8.1.0（截至 2026-10，NuGet 实测；GitHub 最新 tag v3.3.0）

许可证： MIT（V3 社区版，即本仓库）；V4 商业版特性另售，V5 以 Avalonia 为核心（截至 2026-10）

概述

ReoGrid 主要能力：

WinForms 与 WPF 双控件
单元格：样式、字体、边框、对齐、数据格式
合并单元格、冻结、批注
公式：内置 ~ 100 个 Excel 函数
数据验证、自动筛选、排序
图表：内置基础图表（柱状/折线/饼图）
打印与导出（PDF/CSV）
Excel 互通：读写 .xlsx（内置 ReoGrid.IO.OpenXML 实现，不依赖 NPOI 或 Office）
脚本扩展：内嵌 JS 脚本（基于 ReoScript）

ReoGrid 不依赖 Excel/COM，纯托管代码，跨 .NET Framework 与 .NET 6+。

安装

方式一：dotnet CLI

# WinForms
dotnet add package unvell.ReoGrid.dll

# WPF
dotnet add package unvell.ReoGridWPF.dll

# .NET 8 重打包版本
# dotnet add package unvell.ReoGrid8.dll

方式二：PackageReference

<ItemGroup>
  <!-- net48 与 net8.0-windows7.0 两个 TFM，依赖 Microsoft.WindowsDesktop.App -->
  <PackageReference Include="unvell.ReoGrid.dll" Version="3.3.1" />
</ItemGroup>

方式三：包管理器控制台

Install-Package unvell.ReoGrid.dll -Version 3.3.1

验证安装

dotnet list package | grep -i reogrid

WinForms 包的 NuGet id 是 unvell.ReoGrid.dll（程序集同名），WPF 包 unvell.ReoGridWPF.dll，unvell.ReoGrid8.dll 是作者为 .NET 8 重新打包的版本。命名空间统一是 unvell.ReoGrid.*。

目标框架以包内 lib/ 为准：3.3.1 提供 net48 与 net8.0-windows7.0 两份，ASP.NET Core / 控制台等非 Windows 桌面项目不能用（frameworkReference 依赖 Microsoft.WindowsDesktop.App）。

核心 API 速查

对象	入口	说明
控件	`ReoGridControl`（WinForms / WPF）	宿主控件，`Dock = DockStyle.Fill` 铺满
工作表	`grid.CurrentWorksheet` / `grid.Worksheets`	当前表与表集合
单元格 / 区域	`sheet["A1"]` / `sheet["A2:C4"]` / `sheet.SetRangeData(...)`	索引器按地址读写，支持区域赋值
区域样式	`RangePosition` + `sheet.SetRangeStyles(...)`	见「样式」章
公式	`sheet["C2"] = "=A2*B2"` / `sheet.Recalculate()`	重算需显式触发
文件 IO	`unvell.ReoGrid.IO`（Excel / CSV 导入导出）	见「Excel 文件读写」章
脚本	ReoScript	需 `EX_SCRIPT` 条件编译，官方包默认不含，见「脚本」章

Read the full file on GitHub · 440 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

today Changed · +59 lines · +57 tokens per session 8305d0ec8f71
13d ago Changed · +15 lines c7ec5b3f03c5
1mo ago Changed · +7 lines 7e055e339671
1mo ago Changed 924ba9af538c
1mo ago Changed 9778ed239d53
1mo ago First seen · 359 lines · 50 tokens per session scan A 8820e2e232ec

Subscribe to this mod's changes

reogrid is a skill published in the GitHub repository znlgis/opengis-skills (75 stars, last pushed yesterday), licensed MIT. It adds 107 tokens to every session and 4,398 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Documents Spreadsheets dotnet excel spreadsheet spreadsheet-control winforms wpf

calc-spreadsheets

Create, open or edit Calc spreadsheets: ODS default; XLSX for Excel compatibility.

agent0ai/agent-zero · 23 tokens

xlsx

Working with Excel files programmatically.

bobmatnyc/claude-mpm-skills · 9 tokens

xlsx

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or…

desirecore/market · 235 tokens

reogrid

Getting it into your agent

Wrote this? Show the measurements

What it costs to keep this loaded

Grade A, and why

Nothing flagged

How it starts

概述

安装

方式一：dotnet CLI

方式二：PackageReference

方式三：包管理器控制台

验证安装

核心 API 速查

What this file has done since we first saw it

Other skills, from other repositories

calc-spreadsheets

xlsx

xlsx

excel-automation

xlsx-manipulation

data-analysis