Ejemplo n.º 1
0
        /// <summary>
        /// Raised when the user initiates a Share operation.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        async void DataTransferManager_DataRequested(DataTransferManager sender, DataRequestedEventArgs args)
        {
            DataRequest request = args.Request;
            // We are going to use an async API to talk to the webview, so get a deferral to give
            // us time to generate the results.
            DataRequestDeferral deferral = request.GetDeferral();
            DataPackage         dp       = await Vista.CaptureSelectedContentToDataPackageAsync();

            // Determine whether there was any selected content.
            bool hasSelection = false;

            try
            {
                hasSelection = (dp != null) && (dp.GetView().AvailableFormats.Count > 0);
            }
            catch (Exception ex)
            {
                switch (ex.HResult)
                {
                case unchecked ((int)0x80070490):
                    // Mobile does not generate a data package with AvailableFormats
                    // and results in an exception. Sorry. Handle the case by acting as
                    // if we had no selected content.
                    hasSelection = false;
                    break;

                default:
                    // All other exceptions are unexpected. Let them propagate.
                    throw;
                }
            }

            if (hasSelection)
            {
                // Webview has a selection, so we'll share its data package.
                dp.Properties.Title = "Echa un vistazo a este artículo en PC Componentes:";
            }
            else
            {
                // No selection, so we'll share the url of the webview.
                dp = new DataPackage();
                dp.SetWebLink(Vista.Source);
                dp.Properties.Title = "Echa un vistazo a este artículo en PC Componentes:";
            }
            dp.Properties.Description = Vista.Source.ToString();
            request.Data = dp;

            deferral.Complete();
        }