public void Clear()
{
_controlHistory = new List<string>();
_stateHistory = new List<Dictionary<string, object>>();
_paramterHistory = new List<string>();
_currentControl = null;
_currentParameter = null;
}
private void LoadControl(string controlTypeName, string parameter, Dictionary<string, object> lastState = null)
{
_currentControl = GetInstance(controlTypeName);
_currentControl.ActionRequested += ActionRequestedListener;
_currentControl.LoadView(parameter, lastState);
_currentParameter = parameter;
}