IGuideDataEvent::ProgramChanged method (bdatif.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 ProgramChanged method is called when information about one or more programs has changed.
Syntax
HRESULT ProgramChanged(
[in] VARIANT varProgramDescriptionID
);
Parameters
[in] varProgramDescriptionID
Specifies the unique identifier of the program that has changed. Call IGuideData::GetProgramProperties to get information about the program. The value of this parameter may be an empty VARIANT type (VT_EMPTY); if so, examine all of the programs to determine which ones have changed.
Return value
Return S_OK if successful, or an error code.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | bdatif.h |