/// <summary>
/// Loads history values of changed variables from persistent storage.
/// </summary>
public void LoadHistory()
{
Dictionary <string, IList <string> > history = EnvironmentSessionProvider.LoadHistory(Target);
EnvironmentVariable x;
if (history != null)
{
foreach (KeyValuePair <string, IList <string> > item in history)
{
x = Find(_vars, item.Key);
if (x != null)
{
x.ApplyHistory(item.Value);
}
}
}
}
