I am a student and actually English is not my native language so there must be lots of grammer problem I’m so sorry.And just like what I wrote on title I’m learning how to use ipcRenderer but it didn’t work.Here are my program

I am a beginner coder and not that good so pls dont mind my code, i am trying to make an application in electron js that opensan img file and displays it in the app. and i am having to send a message from the main process so i am using webContents.send but, i am having an error which says that