/// <summary>
/// Called during Back or Next navigation
/// </summary>
private void Navigate(WizardNavigationType navigationType)
{
WizardStepBaseViewModel newStep = null;
if (navigationType == WizardNavigationType.Back)
{
newStep = Steps[CurrentStepIndex - 1];
}
else if (navigationType == WizardNavigationType.Next)
{
newStep = Steps[CurrentStepIndex + 1];
}
_currentNavigationArgs = new WizardNavigationEventArgs(navigationType, CurrentStep, newStep);
//Gives derived Wizard ViewModel a chance to pause or cancel navigation and also coordinate data interaction
//between steps if necessary:
OnNavigating(_currentNavigationArgs);
if (_currentNavigationArgs.NavigationAction == WizardNavigationAction.Continue)
{
ContinueNavigation();
}
else if (_currentNavigationArgs.NavigationAction == WizardNavigationAction.Cancel)
{
CancelNavigation();
}
}
public void ContinueNavigation()
{
if (_currentNavigationArgs != null)
{
CurrentStep = _currentStep = _currentNavigationArgs.NewStep;
_currentNavigationArgs = null;
}
}
public WizardNavigationEventArgs(WizardNavigationType navigationType, WizardStepBaseViewModel currentStep, WizardStepBaseViewModel newStep)
{
NavigationType = navigationType;
CurrentStep = currentStep;
NewStep = newStep;
}
