public bool RunCommand(XTMFCommand command, ref string error)
{
lock (SessionLock)
{
if(_IsRunning)
{
error = "You can not edit a model system while it is running.";
return false;
}
if(command.Do(ref error))
{
if(command.CanUndo())
{
UndoStack.Add(command);
}
// if we do something new, redo no long is available
RedoStack.Clear();
return true;
}
return false;
}
}
