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An object that describes its type as WPD_CONTENT_TYPE_PLAYLIST represents a playlist. A playlist can be represented by a physical file, or it can consist of references stored as metadata.
This type of object supports the following properties.
| Property Name | Required or Optional |
|---|---|
| WPD_OBJECT_ID | Required, read-only. A client cannot set this property even at creation time. |
| WPD_OBJECT_PARENT_ID | Required. |
| WPD_OBJECT_NAME | Required if the object represents a file. |
| WPD_OBJECT_PERSISTENT_UNIQUE_ID | Required, read-only. A client cannot set this property, even at creation time. |
| WPD_OBJECT_FORMAT | Required. |
| WPD_OBJECT_CONTENT_TYPE | Required. |
| WPD_OBJECT_ISHIDDEN | Required if the object is hidden. |
| WPD_OBJECT_ISSYSTEM | Required if the object is a system object (represents a system file). |
| WPD_OBJECT_SIZE | Required if the object has at least one resource. |
| WPD_OBJECT_ORIGINAL_FILE_NAME | Required if the object represents a file. |
| WPD_OBJECT_NON_CONSUMABLE | Recommended if the object is not meant for consumption by the device. |
| WPD_OBJECT_REFERENCES | Required if the object has references to other objects; that is, if the references are stored as metadata rather than physical data in a file. |
| WPD_OBJECT_KEYWORDS | Optional. |
| WPD_OBJECT_SYNC_ID | Optional. |
| WPD_OBJECT_IS_DRM_PROTECTED | Required if the object is protected by DRM technology. |
| WPD_OBJECT_DATE_CREATED | Optional. |
| WPD_OBJECT_DATE_MODIFIED | Recommended. |
| WPD_OBJECT_DATE_AUTHORED | Optional. |
| WPD_OBJECT_BACK_REFERENCES | Recommended if the object is referenced by another object. |
| WPD_OBJECT_CONTAINER_FUNCTIONAL_OBJECT_ID | Optional. |
| WPD_OBJECT_GENERATE_THUMBNAIL_FROM_RESOURCE | Optional. |
| WPD_OBJECT_CAN_DELETE | Required if the object cannot be deleted. |
| WPD_OBJECT_LANGUAGE_LOCALE | Optional. |
| WPD_MEDIA_OBJECT_BOOKMARK | Recommended. |
Typical Resources
These objects typically include the following resources.
| Resource Name | Required or Optional | Description |
|---|---|---|
| WPD_RESOURCE_DEFAULT | Optional. | If the playlist is a physical file, for example, an XML file listing the media files to play, this is the actual file bytes. |
Related topics