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WPD_CONTENT_TYPE_ALL

This content type is valid only as a parameter, and is not a reported content type by the driver. This enables your application to ask questions about all object types.

If you are designing a custom object, it must at minimum support these 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.
WPD_OBJECT_KEYWORDS Optional.
WPD_OBJECT_SYNC_ID Optional.
WPD_OBJECT_IS_DRM_PROTECTED Required if the object is protected by digital rights management (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.

 

Typical Resources

These objects typically do not host resources.

Requirements for Objects