public void SetActivePage(WizardPage newPage)
{
WizardPage oldActivePage = _activePage;
// If this page isn't in the Controls collection, add it.
// This is what causes the Load event, so we defer
// it as late as possible.
if (!pagePanel.Controls.Contains(newPage))
pagePanel.Controls.Add(newPage);
// Show this page.
newPage.Visible = true;
_activePage = newPage;
CancelEventArgs e = new CancelEventArgs();
newPage.OnSetActive(e);
if (e.Cancel)
{
newPage.Visible = false;
_activePage = oldActivePage;
}
// Hide all of the other pages.
foreach (WizardPage page in _pages)
{
if (page != _activePage)
page.Visible = false;
}
}