func RegistryKeyUint32(rootKey *RegistryKey, subKeyPath, valueName string) (value uint32, err error) {
var hKey win.HKEY
if win.RegOpenKeyEx(
rootKey.hKey,
syscall.StringToUTF16Ptr(subKeyPath),
0,
win.KEY_READ,
&hKey) != win.ERROR_SUCCESS {
return 0, newError("RegistryKeyUint32: Failed to open subkey.")
}
defer win.RegCloseKey(hKey)
bufSize := uint32(4)
if win.ERROR_SUCCESS != win.RegQueryValueEx(
hKey,
syscall.StringToUTF16Ptr(valueName),
nil,
nil,
(*byte)(unsafe.Pointer(&value)),
&bufSize) {
return 0, newError("RegQueryValueEx")
}
return
}
func listPort() (res []String) {
var root win.HKEY
res = make([]string, 0)
rootpath, _ := syscall.UTF16PtrFromString("HARDWARE\\DEVICEMAP\\SERIALCOMM")
fmt.Println(win.RegOpenKeyEx(win.HKEY_LOCAL_MACHINE, rootpath, 0, win.KEY_READ, &root))
var callError int32
var index uint32 = 0
for callError == 0 {
var name_length uint32 = 72
var key_type uint32
var lpDataLength uint32 = 72
name := make([]uint16, 72)
lpData := make([]byte, 72)
callError = win.RegEnumValue(root, index, &name[0], &name_length, nil, &key_type, &lpData[0], &lpDataLength)
output := make([]uint16, 72)
for i := uint32(0); i < lpDataLength; i = i + 2 {
fmt.Println(uint16(lpData[i])<<8, "-", lpData[i+1])
output[i/2] = uint16(lpData[i+1])<<8 + uint16(lpData[i])
}
res = append(res, syscall.UTF16ToString(output))
index++
}
win.RegCloseKey(root)
}
func RegistryKeyString(rootKey *RegistryKey, subKeyPath, valueName string) (value string, err error) {
var hKey win.HKEY
if win.RegOpenKeyEx(
rootKey.hKey,
syscall.StringToUTF16Ptr(subKeyPath),
0,
win.KEY_READ,
&hKey) != win.ERROR_SUCCESS {
return "", newError("RegistryKeyString: Failed to open subkey.")
}
defer win.RegCloseKey(hKey)
var typ uint32
var data []uint16
var bufSize uint32
if win.ERROR_SUCCESS != win.RegQueryValueEx(
hKey,
syscall.StringToUTF16Ptr(valueName),
nil,
&typ,
nil,
&bufSize) {
return "", newError("RegQueryValueEx #1")
}
data = make([]uint16, bufSize/2+1)
if win.ERROR_SUCCESS != win.RegQueryValueEx(
hKey,
syscall.StringToUTF16Ptr(valueName),
nil,
&typ,
(*byte)(unsafe.Pointer(&data[0])),
&bufSize) {
return "", newError("RegQueryValueEx #2")
}
return syscall.UTF16ToString(data), nil
}
