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Comprehensive Windows API GUI programming with videos, images, colorful notes and explained code. The repository is under 2026 revamp, offline, Chapter 1 to 10 are complete. I am updating this whole thing in reatime. And the Assembly language beautiful notes, will come online in a few days.

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RennexTech/WinAPI

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🚀 Welcome to the WinAPI Wormhole!

Hey there am Nick and I welcome you as my Windows API adventurer!

You've just teleported into my WinAPI goldmine, you're the lucky few who've found me. Buckle up! Don't skip, read this first. Please.

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My Background:

🕵️‍♂️ The Quest for WinAPI Knowledge

Picture this: There I was, lost in the digital deserts, searching for knowledge mines containing organized Windows API wisdom. 🔍

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What did I find? Just a bunch of dusty ancient scrolls — outdated books, broken links, and long-forgotten Chinese and Russian forums. 📚 Painful stuff. There was literally no one breaking this down for free in a way that made sense. And honestly — how are we supposed to master operating systems if WinAPI itself is locked behind arcane knowledge walls?

So I tried opening tools like IDA Pro and Ghidra (which I still barely understand), and suddenly I was like:

“Wait… Isn’t this the same stuff from that old Charles Petzold book on WinAPI?”

Then it hit me: While I was struggling with CreateWindow, there were 17-year-old reverse engineering gods in underground Russian and Chinese forums casually posting cracked slot machine binaries, porting code to WinAPI like it was a hobby.

Meanwhile, I’m sitting there thinking:

“Bro... what the hell?! These guys and girls are out here chewing IDA for breakfast.”

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I decided to venture into the seas of outdated documentation and cryptic Chinese forums to bring you this treasure trove. 💎

Why? Because learning shouldn't cost you that much effort. There should be somewhere you can just visit and get all of it. But there wasn't.

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This repo is for all of you out there:

Struggling students 📚

Curious coders 🧐

Bootcamp dropouts 🏃‍♂️💨

Anyone who's ever yelled "WHY ISN'T THERE A DECENT TUTORIAL FOR THIS?!" at 3 AM 🌙😤

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I've poured my blood, sweat, and tears (mostly tears) into this project. It's my gift to you - the next generation of Windows programmers.

Am 24, and am in no way a master at this stuff. 🧙‍♂️✨

Am here to keep the flame of low-level programming burning bright!

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What's in store?

💻 Colorful code: (WinAPI is often seen as black and white; I mention it, and someone already visualizes MS-DOS. And since you like sleep, colored and image-filled notes won't let that happen...)

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📚 Notes that actually make sense: (I know, shocking! Clear notes, explained to the core.)

🎢 A rollercoaster ride through the weirdest parts of Windows that you'd never even thought existed.

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Prerequisites and contributions:

C/C++ programming knowledge. (I already have a C repo if you don’t mind starting there).

A love for low-level madness, unless you're a framework fanatic.

🚫 Prohibited: Caffeine (Colorful notes need no caffeine; I promise you won’t sleep.)

🚫 No contributions needed! Unless you're feeling generous. I accept both pull requests, cash for pizzas. 🍕

There's a lot of code and notes, I've tried my best to remove API's and stuff, but If I accidentally forgot any private stuff, please tell me. I'll get it fixed.

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License:

🆓 It's all free, no licenses.

Fork it, clone it, print it out. Go wild!

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Remember: Every master was once a disaster. Rome wasn't built in a day, neither does a good WinAPI programmer.

Enjoy, my people!👊

Thanks for dropping by!

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Comprehensive Windows API GUI programming with videos, images, colorful notes and explained code. The repository is under 2026 revamp, offline, Chapter 1 to 10 are complete. I am updating this whole thing in reatime. And the Assembly language beautiful notes, will come online in a few days.

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