IpcRendererEvent Object extends Event

• sender IpcRenderer - The IpcRenderer instance that emitted the event originally最初发出事件的IpcRenderer实例
• senderId Integer - The webContents.id that sent the message, you can call event.sender.sendTo(event.senderId, ...) to reply to the message, see ipcRenderer.sendTo for more information. 发送消息的webContents.id，您可以调用event.sender.sendTo(event.senderId, ...)来回复消息，有关详细信息，请参阅ipcRenderer.sendTo。This only applies to messages sent from a different renderer. 这仅适用于从其他呈现器发送的消息。Messages sent directly from the main process set event.senderId to 0.直接从主进程发送的消息将event.senderId设置为0。
• ports MessagePort[] - A list of MessagePorts that were transferred with this message与此消息一起传输的MessagePort列表