From Tracker Software PDF SDK
The method of interface of PDF-XChange Editor SDK.
HRESULT GetCStateByIndex([in] ULONG nIndex, [out, retval] IPXC_CState** ppState);
- [in] Value of ULONG.
- [out, retval] Pointer to IPXC_CState.
Returns S_OK if operation was successful or error code in other cases.