IDVDProgramChain::GetNavCommandsCount (Windows CE 5.0)
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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