Jungo WinDriver  
Official Documentation

◆ WDU_GetLangIDs()

DWORD DLLCALLCONV WDU_GetLangIDs ( _In_ WDU_DEVICE_HANDLE  hDevice,
_Outptr_ PBYTE  pbNumSupportedLangIDs,
_Outptr_ WDU_LANGID pLangIDs,
_In_ BYTE  bNumLangIDs 
)

Reads a list of supported language IDs and/or the number of supported language IDs from a device.

Parameters
[in]hDeviceA unique identifier for the device/interface.
[out]pbNumSupportedLangIDsPointer to the number of supported language IDs, to be filled by the function. Can be NULL if bNumLangIDs is not 0 and pLangIDs is not NULL. If NULL, the function will not return the number of supported language IDs for the device.
[out]pLangIDsArray of language IDs. If bNumLangIDs is not is not 0 the function will fill this array with the supported language IDs for the device. If bNumLangIDs < the number of supported language IDs for the device, only the first bNumLangIDs supported language IDs will be read from the device and returned in the pLangIDs array.
[in]bNumLangIDsNumber of IDs in pLangIDs array. If 0, the function will only return the number of supported language IDs.
Returns
WinDriver Error Code
Note
If no language IDs are supported for the device (*pbNumSupportedLangIDs == 0) the function returns WD_STATUS_SUCCESS.