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IDVDProgramChain::GetNavCommandsCount (Windows CE 5.0)

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This method reads the program chain general information (PGC_GI) for the current program chain (PGC) and returns the number of program command of a specified type from the PGC command table information (PGC_CMDTI).

HRESULT GetNavCommandsCount(ENavCmdAreaeArea,UINT16* pCount);

Parameters

  • eArea
    [in] Specifies the type of command count according to the following values.
    Value Command type
    0 Pre command (PRE_CMD)
    1 Post command (POST_CMD)
    2 Cell command (C_CMD)
  • pCount
    [out] Pointer to the number of commands found for the command type specified by eArea (PRE_CMD_Ns, POST_CMD_Ns, and C_CMD_Ns) .

Return Values

If this method succeeds, the return value is S_OK.

If this method fails, the return value may be one of the following error values.

Error value Description
E_INVALIDARG One or more arguments is invalid.
E_NOINTERFACE The method was unable to obtain and return an interface pointer.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: Dvdata.h, Dvdata.idl.
Link Library: Ddvdids.lib.

See Also

IDVDProgramChain | IDVDProgramChain::GetNavCommand

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