protected void AddToUndoBuffer(GraphActionType actionType, DrawingItem cutItem, DrawingItem newItem)
{
if (this.currentActionIndex != (this.GraphActions.Count - 1)) // Some undo occured before
{
// Delete all that has been undid
this.GraphActions = this.GraphActions.Take(this.currentActionIndex + 1).ToList();
}
this.GraphActions.Add(new GraphAction(actionType, cutItem, newItem));
this.currentActionIndex++;
}
public GraphAction(GraphActionType actionType, DrawingItem targetItem, DrawingItem targetItem2)
{
this.ActionType = actionType;
this.TargetItem = targetItem;
this.TargetItem2 = targetItem2;
}
