Exemplo n.º 1
0
        /// <summary>
        /// Save as PPTX Format
        /// </summary>
        /// <param name="presentation"></param>
        private async void SavePPTX(IPresentation presentation)
        {
            StorageFile stgFile;

            if (!(Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons")))
            {
                FileSavePicker savePicker = new FileSavePicker();
                savePicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
                // Dropdown of file types the user can save the file as
                savePicker.FileTypeChoices.Add("Presentation", new List <string>()
                {
                    ".pptx"
                });
                // Default file name if the user does not type one in or select a file to replace
                savePicker.SuggestedFileName = "SlideTransitionSample";
                stgFile = await savePicker.PickSaveFileAsync();
            }
            else
            {
                StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
                stgFile = await local.CreateFileAsync("PowerPointPresentation.pptx", CreationCollisionOption.ReplaceExisting);
            }
            if (stgFile != null)
            {
                //Save as PPTX Format
                await presentation.SaveAsync(stgFile);

                MessageDialog msgDialog = new MessageDialog("Do you want to view the Presentation?", "File has been created successfully.");
                UICommand     yesCmd    = new UICommand("Yes");
                msgDialog.Commands.Add(yesCmd);
                UICommand noCmd = new UICommand("No");
                msgDialog.Commands.Add(noCmd);
                IUICommand cmd = await msgDialog.ShowAsync();

                if (cmd == yesCmd)
                {
                    // Launch the retrieved file
                    bool success = await Windows.System.Launcher.LaunchFileAsync(stgFile);
                }
            }
        }