StreamSelector.GetStreamPropertiesAsync method

  • 项目

Gets the properties of the stream asynchronously.

Syntax

HRESULT GetStreamPropertiesAsync(
  [in]          Windows.Storage.StorageFile                 *storageFile,
  [in]          Windows.Foundation.Collections.IPropertySet *selectorProperties,
  [out, retval] GetStreamPropertiesOperation                **value
);

Parameters

  • storageFile [in]
    Windows.Storage.StorageFile

  • selectorProperties [in]
    An IPropertySet containing any of the following allowed values.

    • STREAM_SELECTOR_PROPERTY_BEST_URL_ONLY
    • STREAM_SELECTOR_PROPERTY_HTTP_ONLY
    • STREAM_SELECTOR_PROPERTY_LINK_BANDWIDTH
    • STREAM_SELECTOR_PROPERTY_PREFER_NO_TRANSCODING
    • STREAM_SELECTOR_PROPERTY_MAX_HEIGHT
    • STREAM_SELECTOR_PROPERTY_MAX_WIDTH

  • value [out, retval]
    Receives a reference to a GetStreamPropertiesOperation object that is used to get results from the asynchronous operation.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code Description
S_OK

The method succeeded.

 

See also

StreamSelector