RETERR NdiRegQueryValue(hndi, lpszSubKey, lpszValueName, lpValue, cbValue)
HNDI hndi;                // NDI handle
LPCSTR lpszSubKey;        // address of subkey buffer
LPCSTR lpszValueName;     // address of value name buffer
LPSTR lpValue;            // address of return value buffer
DWORD cbValue;            // number of bytes in return buffer
 
The NdiRegQueryValue function opens a registry subkey for the NDI object and returns the specified value and closes the key.