Writer. Store Async Method
Commits data in the buffer to the output stream. This method should only be called when the DataWriter is writing into a stream; it will fail when the underlying store is a buffer.
public: virtual DataWriterStoreOperation ^ StoreAsync() = StoreAsync;
[Windows.Foundation.Metadata.RemoteAsync] public DataWriterStoreOperation StoreAsync();
Public Function StoreAsync () As DataWriterStoreOperation
The asynchronous store data operation.