StorageFile.CreateStreamedFileFromUriAsync Method
Definition
Important
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Creates a StorageFile to represent a stream of data from the specified Uniform Resource Identifier (URI) resource. This method lets the app download the data on-demand when the StorageFile that represents the stream is first accessed.
public:
static IAsyncOperation<StorageFile ^> ^ CreateStreamedFileFromUriAsync(Platform::String ^ displayNameWithExtension, Uri ^ uri, IRandomAccessStreamReference ^ thumbnail);
/// [Windows.Foundation.Metadata.RemoteAsync]
static IAsyncOperation<StorageFile> CreateStreamedFileFromUriAsync(winrt::hstring const& displayNameWithExtension, Uri const& uri, IRandomAccessStreamReference const& thumbnail);
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<StorageFile> CreateStreamedFileFromUriAsync(string displayNameWithExtension, System.Uri uri, IRandomAccessStreamReference thumbnail);
function createStreamedFileFromUriAsync(displayNameWithExtension, uri, thumbnail)
Public Shared Function CreateStreamedFileFromUriAsync (displayNameWithExtension As String, uri As Uri, thumbnail As IRandomAccessStreamReference) As IAsyncOperation(Of StorageFile)
Parameters
- displayNameWithExtension
-
String
Platform::String
winrt::hstring
The user-friendly name of the StorageFile to create, including a file type extension.
The Uniform Resource Identifier (URI) of the resource used to create the StorageFile.
- thumbnail
- IRandomAccessStreamReference
The thumbnail image for the StorageFile to create.
For a high-quality thumbnail, one edge of this thumbnail should be at least 1024 pixels.
Returns
When this method completes, it returns a StorageFile object that represents the Uniform Resource Identifier (URI) resource.
- Attributes
Remarks
This method is nearly equivalent to CreateStreamedFileAsync, except when using this method, the system provides a StreamedFileDataRequestedHandler on the app's behalf and implements this function to download the specified Uri into the streamed file.