| Microsoft DirectX 8.1 (C++) | 
The following functions enable an application to register and enumerate Microsoft DirectX Media Objects (DMOs).
| Function | Description | 
| DMOEnum | Enumerates registered DMOs. | 
| DMOGetName | Retrieves the registered name of a DMO. | 
| DMOGetTypes | Retrieves the media types registered for a DMO. | 
| DMORegister | Registers a DMO. | 
| DMOUnregister | Unregisters a DMO. |