IDOManager::EnumDownloads method (deliveryoptimization.h)

Retrieves an interface pointer to an enumerator object that is used to enumerate existing downloads.

Syntax

HRESULT EnumDownloads(
  const DO_DOWNLOAD_ENUM_CATEGORY *category,
  IEnumUnknown                    **ppEnum
);

Parameters

category

Optional. The property name to be used as a category to enumerate. Passing nullptr will retrieve all existing downloads. The following properties are supported as a category.

• DODownloadProperty_Id
• DODownloadProperty_Uri
• DODownloadProperty_ContentId
• DODownloadProperty_DisplayName
• DODownloadProperty_LocalPath

ppEnum

The address of an interface pointer to IEnumUnknown, which is used to enumerate existing downloads. The contents of the enumerator depend on the value of category. The downloads included in the enumeration interface are the ones that were previously created by the same caller to this function.

Return value

If the function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements