Jungo WinDriver  
Official Documentation

◆ WDU_POWER_CHANGE_CALLBACK

typedef BOOL(DLLCALLCONV * WDU_POWER_CHANGE_CALLBACK) (_In_ WDU_DEVICE_HANDLE hDevice, _In_ DWORD dwPowerState, _In_ PVOID pUserData)
Parameters
[in]hDeviceA unique identifier for the device/interface.
[in]dwPowerStateNumber of the power state selected.
[in]pUserDataPointer to user data that was passed to WDU_Init (in the event table).
Returns
TRUE/FALSE; Currently there is no significance to the return value.

Definition at line 56 of file wdu_lib.h.