[4] [CITE@en[What is the use of #region and #endregion in C#? - Stack Overflow]], [TIME[2025-11-04T08:42:19.000Z]] <https://stackoverflow.com/questions/44390454/what-is-the-use-of-region-and-endregion-in-c>

-[1] [CITE[#region ブロックを追加および削除する | JetBrains Rider ドキュメント]], [TIME[2025-11-04T08:38:29.000Z]] <https://pleiades.io/help/rider/Coding_Assistance__Surrounding_with_Region.html>
-[6] [CITE@en-US[Add and remove #region blocks | JetBrains Rider Documentation]], [TIME[2025-11-04T08:43:14.000Z]] <https://www.jetbrains.com/help/rider/Coding_Assistance__Surrounding_with_Region.html#managing-regions-in-the-editor>

[2] [CITE@ja[【VSCode】Visual Studio Codeでregionを使う - 開発覚書はてな版]], [TIME[2025-11-04T08:39:27.000Z]] <https://kakkoyakakko2.hatenablog.com/entry/2018/06/01/003000>

[3] [CITE@en[c#-mode: #region, #endregion のインデントに対応する · Issue #192 · xyzzy-022/xyzzy]], [TIME[2025-11-04T08:41:25.000Z]] <https://github.com/xyzzy-022/xyzzy/issues/192>

[7] 
[CITE@en-us[Region directive in AL - Business Central | Microsoft Learn]], [[SusanneWindfeldPedersen]], [TIME[2025-06-04T13:01:34.000Z]], [TIME[2025-11-04T08:44:02.820Z]] <https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/directives/devenv-directive-region>

[8] [CITE@en[// #regions · Issue #11073 · microsoft/TypeScript]], [TIME[2025-11-04T08:44:44.000Z]] <https://github.com/Microsoft/TypeScript/issues/11073>

[9] 
[CITE@en[85487 – Support '#pragma region' and '#pragma endregion' to allow code folding with Visual Studio]], [TIME[2025-11-04T08:45:23.000Z]] <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85487>


[5] 
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