|
public static CreateStreamedFileAsync ( [ displayNameWithExtension, [ dataRequested, [ thumbnail ) : IAsyncOperation |
||
| displayNameWithExtension | [ | |
| dataRequested | [ | |
| thumbnail | [ | |
| return | IAsyncOperation |
|
/// <summary>
/// Convert <see cref="IBuffer"/> to <see cref="StorageFile"/>.
/// </summary>
/// <param name="buffer">Data of file.</param>
/// <param name="fileName">Display name with extention.</param>
/// <param name="thumbnail">Thumbnail for created file.</param>
/// <returns>Streamed file.</returns>
public static IAsyncOperation <StorageFile> AsStroageFileAsync(this IBuffer buffer, string fileName, IRandomAccessStreamReference thumbnail)
{
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (fileName.IsNullOrEmpty())
{
throw new ArgumentNullException(nameof(fileName));
}
return(StorageFile.CreateStreamedFileAsync(fileName, dataRequested, thumbnail));
async void dataRequested(StreamedFileDataRequest stream)
{
try
{
await stream.WriteAsync(buffer);
await stream.FlushAsync();
stream.Dispose();
}
catch
{
stream.FailAndClose(StreamedFileFailureMode.Failed);
throw;
}
}
}
