private void CompleteTransaction()
{
if (currentTransaction == null)
{
throw new InvalidOperationException("Trying to complete a selection transaction but no transaction in progress");
}
var newState = new SelectionState();
newState.SaveStates(scopes);
currentTransaction.Continue();
stack.PushOperation(new SelectionOperation(this, CurrentState, newState));
currentTransaction.Complete();
currentTransaction = null;
CurrentState = newState;
}
public void PushOperation(Operation operation) => stack.PushOperation(operation);
