public string SetPreference(string UserName, string PreferenceName, string Value)
{
Dictionary <string, Dictionary <string, string> > preferences = new Dictionary <string, Dictionary <string, string> >();
Dictionary <string, string> NameValuePair;
// Does the user have preferences defined?
if (_Preferences.TryGetValue(UserName, out NameValuePair))
{
// If so, is there an entry for this preference name?
if (NameValuePair.ContainsKey(PreferenceName))
{
NameValuePair[PreferenceName] = Value;
}
else
{
// no entry for this preference name
// Add an entry for this preference name
NameValuePair.Add(PreferenceName, Value);
}
_Preferences[UserName] = NameValuePair;
}
else
{
// no preference yet for this user
// Add user and preference
NameValuePair = new Dictionary <string, string>();
NameValuePair.Add(PreferenceName, Value);
_Preferences.Add(UserName, NameValuePair);
}
return(NO_ERROR);
}