getAvailablePorts static method
read Registry in Windows to get ports getAvailablePorts can be called using SerialPort.getAvailablePorts()
Implementation
static List<String> getAvailablePorts() {
/// availablePorts String list
List<String> portsList = [];
final int hKey;
/// Get registry key of Serial Port
try {
hKey = _getRegistryKeyValue();
} on Exception {
return List.empty();
}
/// The index of the value to be retrieved.
/// This parameter should be zero for the first call to the RegEnumValue function and then be incremented for subsequent calls.
int dwIndex = 0;
String? item;
item = _enumerateKey(hKey, dwIndex);
if (item == null) {
portsList.add('');
}
while (item != null) {
portsList.add(item);
dwIndex++;
item = _enumerateKey(hKey, dwIndex);
}
RegCloseKey(hKey);
return portsList;
}