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| Microsoft DirectShow 9.0 |
IAMLine21Decoder::GetCurrentService
The GetCurrentService method retrieves the current closed captioning service.
Syntax
HRESULT GetCurrentService( AM_LINE21_CCSERVICE *lpService );
Parameters
lpService
Pointer to a variable that receives a member of the AM_LINE21_CCSERVICE enumeration. The default service is CC1.
Return Values
Returns an HRESULT value. Possible values include the following.
| Value | Description |
| E_INVALIDARG | Invalid argument |
| S_OK | Success |
Requirements
Header: Include il21dec.h.
Library: Use Strmiids.lib.
See Also