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mmozeiko/hello-world-winui3-c

Hello World with WinUI3 in plain C

30

stars

4

commits

C

primary language

Feb 27, 2026

updated

c
windows
winui
winui3
Browse cluster: WinUI and Windows App Development →

README

"Hello, World!" application with WinUI3 using plain C code.

Compiles in ~1 second, compared to ~15 seconds of equivalent C++ code.

Produces ~30KB .exe file, but requires ~38MB of dll's to distribute.

To build, run build.cmd from VS commandline, output will be in output folder.

image

Contributors

mmozeiko

4 commits

See what people are saying

Hacker News (1)

Implementation of GPT-2 in pure CMake

0 points · Aug 24, 2026

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mmozeiko/hello-world-winui3-c

Hello World with WinUI3 in plain C

30

stars

4

commits

C

primary language

Feb 27, 2026

updated

c
windows
winui
winui3
Browse cluster: WinUI and Windows App Development →

README

"Hello, World!" application with WinUI3 using plain C code.

Compiles in ~1 second, compared to ~15 seconds of equivalent C++ code.

Produces ~30KB .exe file, but requires ~38MB of dll's to distribute.

To build, run build.cmd from VS commandline, output will be in output folder.

image

See what people are saying

Hacker News (1)

Implementation of GPT-2 in pure CMake

0 points · Aug 24, 2026

Similar repos

microsoft/microsoft-ui-xaml

WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and…

8,392

shared topics

PhoenixNil/XrayUI-dev

Lightweight native Windows GUI client for Xray core, built with WinUI 3

614

shared topics

microsoft/CsWinRT

C# language projection for the Windows Runtime

665

shared topics

microsoft/WindowsAppSDK

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform…

4,678

shared topics

microsoft/WindowsAppSDK-Samples

Feature samples for the Windows App SDK

1,008

shared topics

microsoft/WinUI-Gallery

This app demonstrates the controls available in WinUI and the Fluent Design System.

3,636

shared topics

CommunityToolkit/Windows

Collection of controls, helpers and extension for WinUI 2, WinUI 3, and Uno Platform developers.…

1,062

shared topics

microsoft/ai-dev-gallery

An open-source project for Windows developers to learn how to add AI with local models and APIs to…

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Contributors

mmozeiko

4 commits

Languages

C

94.9%

Batchfile

5.1%