//sys	QueryDosDevice(deviceName *uint16, targetPath *uint16, max uint32) (n uint32, err error) [failretval==0] = QueryDosDeviceW
//sys	SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) = SetVolumeLabelW
//sys	SetVolumeMountPoint(volumeMountPoint *uint16, volumeName *uint16) (err error) = SetVolumeMountPointW

	r1, _, e1 := syscall.Syscall(procSetStdHandle.Addr(), 2, uintptr(stdhandle), uintptr(handle), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func SetVolumeLabel(rootPathName *uint16, volumeName *uint16) (err error) {
	r1, _, e1 := syscall.Syscall(procSetVolumeLabelW.Addr(), 2, uintptr(unsafe.Pointer(rootPathName)), uintptr(unsafe.Pointer(volumeName)), 0)
	if r1 == 0 {