private void ForwardRequested(ref bool handled) { // Get a hold of the current Frame so that we can inspect the app back stack. if (AppFrame == null) { return; } // Check to see if this is the top-most page on the app back stack. if (AppFrame.CanGoForward && !handled) { // If not, set the event to handled and go back to the previous page in the app. handled = true; AppFrame.GoForward(); } }