IDVDProgramChain::GetNavCommandsCount (Windows Embedded CE 6.0)
1/6/2010
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).
Syntax
HRESULT GetNavCommandsCount(
ENavCmdArea eArea,
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 Value
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
| Header | dvdata.h, dvdata.idl |
| Library | Ddvdids.lib |
| Windows Embedded CE | Windows CE .NET 4.0 and later |