IDWriteFontDownloadQueue::AddListener method

Registers a client-defined listener object that receives download notifications. All registered listener's DownloadCompleted will be called after BeginDownload completes.

Syntax

virtual HRESULT AddListener(
        IDWriteFontDownloadListener *listener,
  [out] UINT32                      *token
) = 0;

Parameters

listener

Type: IDWriteFontDownloadListener*

Listener object to add.

token [out]

Type: UINT32*

Receives a token value, which the caller must subsequently pass to RemoveListener.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

An IDWriteFontDownloadListener can also be passed to BeginDownload using the context parameter, rather than globally registered to the queue.

Requirements

See also

IDWriteFontDownloadQueue