/// <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);
}
}
}