WebView.sendMessageToPage

void sendMessageToPage(webkit.user_message.UserMessage message, gio.cancellable.Cancellable cancellable = null, gio.types.AsyncReadyCallback callback = null)

Send message to the #WebKitWebPage corresponding to web_view.

If message is floating, it's consumed. If you don't expect any reply, or you simply want to ignore it, you can pass null as callback. When the operation is finished, callback will be called. You can then call [webkit.web_view.WebView.sendMessageToPageFinish] to get the message reply.

Parameters

messagea #WebKitUserMessage
cancellablea #GCancellable or null to ignore
callback(nullable): A #GAsyncReadyCallback to call when the request is satisfied or null