public void SetFirstStep(HistoryPseudoColor pseudoColor) { HistoryStep step = FindStep(0); if (step == null) { step = new HistoryStep(); step.number = 0; step.PseudoColor = pseudoColor; step.category = "Setup"; step.description = "Original"; AddStep(step); } else { step.PseudoColor = pseudoColor; } }