@param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL
instance.
@param State A pointer to the state information on the pointer device.
@retval EFI_SUCCESS The state of the pointer device was returned in State.
@retval EFI_NOT_READY The state of the pointer device has not changed since the last call to
GetState().
@retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's
current state.
Retrieves the current state of a pointer device.
@param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL instance. @param State A pointer to the state information on the pointer device.
@retval EFI_SUCCESS The state of the pointer device was returned in State. @retval EFI_NOT_READY The state of the pointer device has not changed since the last call to GetState(). @retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's current state.