public static async Task SetSettingToFileAsync <T>(string key, T value, bool roaming = false, Type[] extraTypes = null)
{
try
{
var file = roaming ? await ApplicationData.Current.RoamingFolder.CreateFileAsync(key + ".settings", CreationCollisionOption.ReplaceExisting) :
await ApplicationData.Current.LocalFolder.CreateFileAsync(key + ".settings", CreationCollisionOption.ReplaceExisting);
var xml = DataContractSerialization.Serialize(value, true, extraTypes);
await FileIO.WriteTextAsync(file, xml, Windows.Storage.Streams.UnicodeEncoding.Utf8);
}
catch (IOException ex)
{
Debug.WriteLine(ex.StackTrace);
}
}
public static async Task <T> GetSettingFromFileAsync <T>(string key, T defaultValue, bool roaming = false, Type[] extraTypes = null)
{
try
{
var file = roaming ? await ApplicationData.Current.RoamingFolder.CreateFileAsync(key + ".settings", CreationCollisionOption.OpenIfExists) :
await ApplicationData.Current.LocalFolder.CreateFileAsync(key + ".settings", CreationCollisionOption.OpenIfExists);
var xml = await FileIO.ReadTextAsync(file, Windows.Storage.Streams.UnicodeEncoding.Utf8);
return(!String.IsNullOrEmpty(xml) ? DataContractSerialization.Deserialize <T>(xml, extraTypes) : defaultValue);
}
catch (IOException ex)
{
Debug.WriteLine(ex.StackTrace);
return(defaultValue);
}
}