public void RegisterMap()
{
var t = new MapTree();
var r = new MapNode(t, "r");
ChangeManager manager = new ChangeManager();
manager.RegisterMap(t);
r.Text = "changed";
Assert.IsTrue(manager.CanUndo);
}
/// <summary>
/// Change Manager is off by default (helps in deserialization).
/// It is mandatory to turn on ChangeManager (MapCtrl and others assume that it is on).
/// </summary>
public void TurnOnChangeManager()
{
if(!ChangeManagerOn)
{
ChangeManager = new ChangeManager();
ChangeManager.RegisterMap(this);
}
}