public static void ChangeSetting(Setting setting, string value)
{
// Get a temporary file name
string tmpFile = Path.GetTempFileName();
// Read the file into the temp file, modifying the setting as we go
string line = string.Empty;
using (TextReader reader = new StreamReader(settingsFilePath))
{
using (TextWriter writer = File.AppendText(tmpFile))
{
while ((line = reader.ReadLine()) != null)
{
if (line.Split('=')[0] == setting.ToString()) // Change this line for the new value
writer.WriteLine(setting + "=" + value);
else // Write the file as is
writer.WriteLine(line);
}
}
}
// Replace old file with temp one
File.Delete(settingsFilePath);
File.Move(tmpFile, settingsFilePath);
Load(); // Reload settings
}
public static void Save(Setting setting, object value, bool serialize = false)
{
if (serialize)
{
value = JsonConvert.SerializeObject(value);
}
ApplicationData.Current.LocalSettings.Values[setting.ToString()] = value;
}
public static T Get <T>(Setting setting, bool deserialize = false)
{
KeyValuePair <string, object> settingValue = ApplicationData.Current.LocalSettings.Values.FirstOrDefault(v => v.Key == setting.ToString());
object value = null;
if (settingValue.Key == null)
{
value = defaultValueManager.GetDefaultValue(setting);
}
else
{
value = settingValue.Value;
if (deserialize)
{
value = JsonConvert.DeserializeObject <T>((string)value);
}
}
return((T)value);
}
/// <summary>
/// Load a setting from the settings file
/// </summary>
/// <param name="setting">The setting to load.</param>
private static string LoadSetting(Setting setting)
{
string returnValue = string.Empty;
// Create the file if it doesn't exist
if (!File.Exists(settingsFilePath))
File.Create(settingsFilePath).Close();
// Read file and return the setting
string line = string.Empty;
bool foundSetting = false;
using (TextReader reader = new StreamReader(settingsFilePath))
while (reader.Peek() >= 0 && !foundSetting)
if ((line = reader.ReadLine()).Split('=')[0] == setting.ToString())
foundSetting = true;
if(foundSetting)
returnValue = line.Split('=')[1];
else
{
// Setting was not found, so add the default value to the file before returning it
returnValue = GetDefaultValue(setting);
using (TextWriter writer = File.AppendText(settingsFilePath))
writer.WriteLine(setting + "=" + returnValue);
}
return returnValue;
}