//sys	regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegEnumValueW
//sys	regDeleteValue(key syscall.Handle, name *uint16) (regerrno error) = advapi32.RegDeleteValueW

	r0, _, _ := syscall.Syscall(procRegDeleteKeyW.Addr(), 2, uintptr(key), uintptr(unsafe.Pointer(subkey)), 0)
	if r0 != 0 {
		regerrno = syscall.Errno(r0)
	}
	return
}

func regDeleteValue(key syscall.Handle, name *uint16) (regerrno error) {
	r0, _, _ := syscall.Syscall(procRegDeleteValueW.Addr(), 2, uintptr(key), uintptr(unsafe.Pointer(name)), 0)
	if r0 != 0 {
		regerrno = syscall.Errno(r0)
	}
	return

func (k Key) SetBinaryValue(name string, value []byte) error {
	return k.setValue(name, BINARY, value)
}

// DeleteValue removes a named value from the key k.
func (k Key) DeleteValue(name string) error {
	return regDeleteValue(syscall.Handle(k), syscall.StringToUTF16Ptr(name))
}

// ReadValueNames returns the value names of key k.
func (k Key) ReadValueNames() ([]string, error) {
	ki, err := k.Stat()
	if err != nil {