IMSVidClosedCaptioning interface (segment.h)
[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]
The IMSVidClosedCaptioning interface enables or disables closed captions. The MSVidClosedCaptioning feature exposes this interface.
To obtain this interface, enumerate the collection of available features on the Video Control. To use closed captioning, activate the closed captioning feature before you build the graph. Once the feature is active, you can enable or disable the closed captioning display by calling the IMSVidClosedCaptioning::put_Enable method.
Inheritance
The IMSVidClosedCaptioning interface inherits from IMSVidFeature. IMSVidClosedCaptioning also has these types of members:
Methods
The IMSVidClosedCaptioning interface has these methods.
| IMSVidClosedCaptioning::get_Enable The get_Enable method queries whether closed captioning is enabled. |
| IMSVidClosedCaptioning::put_Enable The put_Enable method enables or disables closed captioning. |
Remarks
To declare the interface identifier (IID) for this interface, use the __uuidof operator: __uuidof(IMSVidClosedCaptioning).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows�XP [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | segment.h (include Msvidctl.h) |