// Use to write uint32 value to windows registry the HKEY in the next definition HHLM, HKCU, HKCC, HKCR, HKU
func WriteDwordReg(hkey, path, name string, val uint32) (err error) {
var handle syscall.Handle
switch hkey {
case "HKLM":
err = syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle)
case "HKCC":
err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_CONFIG, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle)
case "HKCR":
err = syscall.RegOpenKeyEx(syscall.HKEY_CLASSES_ROOT, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle)
case "HKCU":
err = syscall.RegOpenKeyEx(syscall.HKEY_CURRENT_USER, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle)
case "HKU":
err = syscall.RegOpenKeyEx(syscall.HKEY_USERS, syscall.StringToUTF16Ptr(""), 0, syscall.KEY_CREATE_SUB_KEY, &handle)
default:
err = errors.New("Unknown HKEY: " + hkey)
return
}
if err != nil {
return
}
defer syscall.RegCloseKey(handle)
var d uint32
err = winapi.RegCreateKeyEx(handle, syscall.StringToUTF16Ptr(path), 0, nil, winapi.REG_OPTION_NON_VOLATILE, syscall.KEY_ALL_ACCESS, nil, &handle, &d)
if err != nil {
return
}
err = winapi.RegSetValueEx(handle, syscall.StringToUTF16Ptr(name), 0, syscall.REG_DWORD, (*byte)(unsafe.Pointer(&val)), uint32(unsafe.Sizeof(val)))
return
}
func (k *Key) CreateSubKey(name string) (nk *Key, openedExisting bool, err error) {
var h syscall.Handle
var d uint32
e := winapi.RegCreateKeyEx(
k.Handle, syscall.StringToUTF16Ptr(name),
0, nil, winapi.REG_OPTION_NON_VOLATILE,
syscall.KEY_ALL_ACCESS, nil, &h, &d)
if e != nil {
return nil, false, e
}
return &Key{Handle: h}, d == winapi.REG_OPENED_EXISTING_KEY, nil
}