http://msdn.microsoft.com/en-us/library/windows/apps/hh871371.aspx
Sample:
public sealed partial class MainPage : Page
{
private DataTransferManager dataTransferManager = DataTransferManager.GetForCurrentView();
public MainPage()
{
this.InitializeComponent();
dataTransferManager.DataRequested += new TypedEventHandler<DataTransferManager, DataRequestedEventArgs>(this.ShareItemHandler);
}
private async void ShareItemHandler(DataTransferManager sender, DataRequestedEventArgs args)
{
DataRequest request = args.Request;
request.Data.Properties.Title = "Share pdf or other storage file";
request.Data.Properties.Description = "How to send file";
DataRequestDeferral deferral = request.GetDeferral();
try
{
var file = await this.GetPackagedFile("Assets", "pdfsample.pdf");//just get file from Assets/ folder
var filesList = new List<StorageFile> { file };
request.Data.SetStorageItems(filesList);
}
catch (Exception e)
{
}
finally
{
deferral.Complete();
}
}
private async Task<StorageFile> GetPackagedFile(string folderName, string fileName)
{
var installFolder = Windows.ApplicationModel.Package.Current.InstalledLocation;
StorageFile resultFile = null;
if (!string.IsNullOrEmpty(folderName))
{
StorageFolder subFolder = await installFolder.GetFolderAsync(folderName);
resultFile = await subFolder.GetFileAsync(fileName);
}
else
{
resultFile = await installFolder.GetFileAsync(fileName);
}
return resultFile;
}
}
