MessageChannelMain

MessageChannelMain is the main-process-side equivalent of the DOM MessageChannel object. Its singular function is to create a pair of connected MessagePortMain objects.

See the Channel Messaging API documentation for more information on using channel messaging.

Class: MessageChannelMain

Channel interface for channel messaging in the main process.

Process: Main

Example:

// Main process
const{MessageChannelMain}=require('electron')
const{ port1, port2 }=newMessageChannelMain()
w.webContents.postMessage('port',null,[port2])
port1.postMessage({ some:'message'})

// Renderer process
const{ ipcRenderer }=require('electron')
ipcRenderer.on('port',(e)=>{
// e.ports is a list of ports sent along with this message
e.ports[0].on('message',(messageEvent)=>{
console.log(messageEvent.data)
})
})

Instance Properties

channel.port1

A MessagePortMain property.

channel.port2

A MessagePortMain property.

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Licensed under the MIT license.
https://www.electronjs.org/docs/latest/api/message-channel-main