// Protected methods
/// <summary>
/// Raises the Transitioned event.
/// </summary>
protected virtual void OnTransitioned(TransitionedEventArgs eventArgs)
{
if (Transitioned != null)
{
Transitioned(this, eventArgs);
}
}
/// <summary>
/// This method is called when the wizard has changed state.
/// </summary>
/// <param name="sender"></param>
/// <param name="eventArgs"></param>
private void StateMachineOnTransitioned(object sender, TransitionedEventArgs eventArgs)
{
if (!InvokeRequired)
{
// Back button should only be available if there are states to go back to
btnBack.Enabled = _sm.StateHistory.Length > 0;
// The Next button is only available if its valid in the state machine configuration
btnNext.Enabled = _sm.ValidTriggers.Contains(WizardTrigger.Next);
// Cancel/Finish button also changes according to which triggers are valid
if (_sm.ValidTriggers.Contains(WizardTrigger.Cancel))
{
btnCancel.Text = "Cancel";
btnCancel.Enabled = true;
}
else if (_sm.ValidTriggers.Contains(WizardTrigger.Finish))
{
btnCancel.Text = "Finish";
btnCancel.Enabled = true;
}
else
btnCancel.Enabled = false;
}
}
/// <summary>
/// This method is called when the state machine has transitioned between states.
/// </summary>
/// <param name="sender"></param>
/// <param name="eventArgs"></param>
private void StateMachineOnTransitioned(object sender, TransitionedEventArgs eventArgs)
{
UpdateAvailableTriggers();
UpdateStateLabel(eventArgs.TargetState);
}