public static Configuration LoadConfiguration(KeyboardDevicesCollection devices)
{
var configuration = new Configuration();
var languageMappings = configuration.LanguageMappings;
string configFilePath = GetConfigFilePath();
if (File.Exists(configFilePath))
{
using (TextReader input = File.OpenText(configFilePath))
{
var layouts = Layout.EnumerateLayouts().ToDictionary(k => k.Identifier, v => v);
string line;
while ((line = input.ReadLine()) != null)
{
string[] parts = line.Split('=');
Debug.Assert(parts.Length == 2);
string deviceName = parts[0];
var layoutId = new IntPtr(int.Parse(parts[1], NumberStyles.HexNumber));
if (devices.TryGetByName(deviceName, out var deviceHandle) &&
layouts.TryGetValue(layoutId, out var layout))
{
languageMappings.Add(deviceHandle, layout);
}
}
}
}
return(configuration);
}
public void Save(KeyboardDevicesCollection devices)
{
string configFilePath = GetConfigFilePath();
using (TextWriter output = File.CreateText(configFilePath))
{
foreach (var device in devices)
{
if (LanguageMappings.TryGetValue(device.Handle, out var layout))
{
output.WriteLine("{0}={1:X8}", device.Name, layout.Identifier.ToInt32());
}
}
}
}