/// <summary>
/// Opens a random-access stream over the specified file.
/// </summary>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the request.</param>
/// <returns>When this method completes, it returns an IRandomAccessStream that contains the
/// requested random-access stream.</returns>
public async Task <IRandomAccessStream> OpenAsync(CancellationToken cancellationToken = default(CancellationToken))
{
IRandomAccessStream contentStream = null;
try
{
System.IO.Stream content = null;
content = await RequestBuilder.Content.Request().GetAsync(cancellationToken).ConfigureAwait(false);
if (content != null)
{
contentStream = content.AsRandomAccessStream();
}
}
catch (Microsoft.Graph.ServiceException ex)
{
// Swallow error in case of no content found
if (!ex.Error.Code.Equals("ErrorItemNotFound"))
{
throw;
}
}
return(contentStream);
}
/// <summary>
/// Retrieve current connected user's photo.
/// </summary>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the request.</param>
/// <returns>A stream containing the user"s photo</returns>
public async Task <IRandomAccessStream> GetPhotoAsync(CancellationToken cancellationToken)
{
IRandomAccessStream windowsPhotoStream = null;
try
{
System.IO.Stream photo = null;
photo = await _graphProvider.Me.Photo.Content.Request().GetAsync(cancellationToken);
if (photo != null)
{
windowsPhotoStream = photo.AsRandomAccessStream();
}
}
catch (Microsoft.Graph.ServiceException ex)
{
// Swallow error in case of no photo found
if (!ex.Error.Code.Equals("ErrorItemNotFound"))
{
throw;
}
}
return(windowsPhotoStream);
}
public static BitmapImage ToBitmapImage(Stream stream)
{
var bitmapImage = new BitmapImage();
bitmapImage.SetSourceAsync(stream.AsRandomAccessStream());
return bitmapImage;
}