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Electron Documentation

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

Process: Main

Example:

const { port1, port2 } = new MessageChannelMain()
w.webContents.postMessage('port', null, [port2])
port1.postMessage({ some: 'message' })

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