| Microsoft DirectX 9.0 |
This topic applies to Windows XP Service Pack 1 only.
These constants define closed captioning services.
| Constant | Value | Description |
| None | 0 | No current service |
| Caption1 | 1 | CC1 (caption channel) |
| Caption2 | 2 | CC2 (caption channel) |
| Text1 | 3 | T1 (text channel) |
| Text2 | 4 | T2 (text channel) |
| XDS | 5 | Extended data services (XDS or EDS) |
See Also