Cancels the download. If canceled, the default download dialog shows
that the download was canceled. Host should set the Cancel property from
ICoreWebView2SDownloadStartingEventArgs if the download should be
canceled without displaying the default download dialog.
Cancels the download. If canceled, the default download dialog shows that the download was canceled. Host should set the Cancel property from ICoreWebView2SDownloadStartingEventArgs if the download should be canceled without displaying the default download dialog.