あんまり古いWebView2だとDownloadStartingが無いので注意
Private Sub CoreWebView2_DownloadStarting(sender As Object, e As CoreWebView2DownloadStartingEventArgs) Dim downloadOperation : downloadOperation = e.DownloadOperation e.ResultFilePath = "C:\hogehoge\dl.zip" End Sub ... AddHandler FormE.view2.CoreWebView2.DownloadStarting, AddressOf CoreWebView2_DownloadStarting