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Found 134 Skills
Guidelines for .NET backend development with C#, ASP.NET Core, and Entity Framework Core
Create, edit, format, and convert PowerPoint (.pptx) presentations using Syncfusion Presentation for .NET. Use this skill for PowerPoint processing and presentation automation when the user asks to generate slides, modify PPTX content, insert text or images, build presentations programmatically, or convert PowerPoint to PDF using C# code or CSX execution.
Implement property editor schemas in Umbraco backoffice using official docs
Clean Code principles adapted for C#/.NET including naming, variables, functions, SOLID, error handling, and async patterns. Use when: (1) reviewing C# code, (2) refactoring for clarity, (3) writing new code, (4) code review feedback.
UWP-to-WinUI 3 migration reference. Maps legacy UWP APIs to correct Windows App SDK equivalents with before/after code snippets. Covers namespace changes, threading (CoreDispatcher to DispatcherQueue), windowing (CoreWindow to AppWindow), dialogs, pickers, sharing, printing, background tasks, and the most common Copilot code generation mistakes.
Create, edit, and convert Excel workbooks (.xlsx/.xls) using Syncfusion XlsIO. Supports two modes — generate C# code for the user's project, or execute a temporary CSX script. Use when the user mentions Excel, xlsx, workbook, template markers, Syncfusion XlsIO, or PDF conversion.
Convert PDF files to images with customization options (output format, DPI, pages, scaling, and image quality). Supports one mode — generate C# code for the user's project.
Create, edit, and convert Markdown documents (.md) using Syncfusion Markdown. Supports two modes — generate C# code for the user's project or execute a task via CSX script. Use when the user mentions markdown, .md files, markdown generation, Syncfusion Markdown.
Enforces TheOne Studio Unity development standards including C# coding patterns, Unity architecture (VContainer/SignalBus and TheOne.DI/Publisher), and code review guidelines. Triggers when writing, reviewing, or refactoring Unity C# code, implementing features, setting up dependency injection, working with events, or reviewing code changes.
Enable nullable reference types in a C# project and systematically resolve all warnings. USE FOR: adopting NRTs in existing codebases, file-by-file or project-wide migration, fixing CS8602/CS8618/CS86xx warnings, annotating APIs for nullability, cleaning up null-forgiving operators, upgrading dependencies with new nullable annotations. DO NOT USE FOR: projects already fully migrated with zero warnings (unless auditing suppressions), fixing a handful of nullable warnings in code that already has NRTs enabled, suppressing warnings without fixing them, C# 7.3 or earlier projects. INVOKES: Get-NullableReadiness.ps1 scanner script.
Implement Syncfusion NavigationDrawer control in Windows Forms - a sliding panel menu that appears from screen edges. Use when creating drawer navigation, side menus, or hamburger menus with panel transitions. Covers DrawerMenuItem configuration, DrawerHeader setup, slide-out menus, and panel transitions (SlideOnTop, Push, Reveal) for modern sliding panel navigation.
Guidelines for C# development including Blazor, Unity game development, and .NET backend best practices