通过

IGuideDataEvent::ProgramChanged

  • 项目
 
Microsoft DirectShow 9.0

IGuideDataEvent::ProgramChanged

The ProgramChanged method is called when information about one or more programs has changed.

Syntax

  HRESULT ProgramChanged(
  VARIANT  varProgramDescriptionID
);

Parameters

varProgramDescriptionID

[in]  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 Values

Return S_OK if successful, or an error code.

Requirements

  Header: Include bdatif.h.

See Also