electron/docs/fiddles/communication/two-processes/synchronous-messages/main.js
Amarnath Karthi 0fe718b1d9 docs: add Synchronous Messages Fiddle example (#20451)
* docs: add Synchronous Messages Fiddle example

* Code review changes

* Add OS support info
2019-11-01 14:02:42 -04:00

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JavaScript

const { app, BrowserWindow, ipcMain } = require('electron')
let mainWindow = null
function createWindow () {
const windowOptions = {
width: 600,
height: 400,
title: 'Synchronous Messages',
webPreferences: {
nodeIntegration: true
}
}
mainWindow = new BrowserWindow(windowOptions)
mainWindow.loadFile('index.html')
mainWindow.on('closed', () => {
mainWindow = null
})
}
app.on('ready', () => {
createWindow()
})
ipcMain.on('synchronous-message', (event, arg) => {
event.returnValue = 'pong'
})