private void ExecuteSelectPreviousPage(object sender, ExecutedRoutedEventArgs e)
{
WizardPage previousPage = null;
if (CurrentPage != null)
{
var eventArgs = new CancelRoutedEventArgs(PreviousEvent);
this.RaiseEvent(eventArgs);
if (eventArgs.Cancel)
return;
//check previous page
if (CurrentPage.PreviousPage != null)
previousPage = CurrentPage.PreviousPage;
else
{
//no previous page defined so use index
var currentIndex = Items.IndexOf(CurrentPage);
var previousPageIndex = currentIndex - 1;
if (previousPageIndex >= 0 && previousPageIndex < Items.Count)
previousPage = Items[previousPageIndex] as WizardPage;
}
}
CurrentPage = previousPage;
}
private void ExecuteSelectNextPage(object sender, ExecutedRoutedEventArgs e)
{
WizardPage nextPage = null;
if (CurrentPage != null)
{
var eventArgs = new CancelRoutedEventArgs(NextEvent);
this.RaiseEvent(eventArgs);
if (eventArgs.Cancel)
return;
//check next page
if (CurrentPage.NextPage != null)
nextPage = CurrentPage.NextPage;
else
{
//no next page defined use index
var currentIndex = Items.IndexOf(CurrentPage);
var nextPageIndex = currentIndex + 1;
if (nextPageIndex < Items.Count)
nextPage = Items[nextPageIndex] as WizardPage;
}
}
CurrentPage = nextPage;
}