README.md

win32-api

FFI Definitions of Windows win32 api for koffi

Significant Changes.V22

Compile successfully with

• Node.js v18
• Node.js v20
• Node.js v22

Migrate to v13

See migrate13

Packages

Package	Version
win32-api
win32-def

What can I do with this?

Calling win32 native functions come from user32.dll, kernel32.dll, comctl32.dll by Node.js via node-ffi-napi

Installing

npm install win32-api

Usage

DLL Wrapper

• User32
• Winspool

import { 
  FindWindow, 
  GetDefaultPrinter,
} from 'win32-api/util'

// Retrieves the printer name of the default printer for the current user on the local computer
const printerName = await GetDefaultPrinter()

const child = spawn('notepad.exe')
const hWnd = await FindWindowEx(0, 0, 'Notepad', null)

Demo

• Demos
• Tests

Relevant

• Windows Api documentation
• Windows Data Types
• System Error Codes
• FFI doc

License

MIT

Languages

• English
• 中文