/// <summary>
/// Creates new instance of the class with default values.
/// </summary>
/// <param name="newPage">New wizard page</param>
/// <param name="oldPage">Old or current wizard page</param>
/// <param name="pageChangeSource">Page change source</param>
public WizardPageChangeEventArgs(WizardPage newPage, WizardPage oldPage, eWizardPageChangeSource pageChangeSource)
{
this.NewPage = newPage;
this.OldPage = oldPage;
this.PageChangeSource = pageChangeSource;
}
/// <summary>
/// Creates new instance of the class with default values.
/// </summary>
/// <param name="newPage">New wizard page</param>
/// <param name="oldPage">Old or current wizard page</param>
/// <param name="pageChangeSource">Page change source</param>
public WizardCancelPageChangeEventArgs(WizardPage newPage, WizardPage oldPage, eWizardPageChangeSource pageChangeSource) : base(newPage, oldPage, pageChangeSource)
{
}
private bool ShowPage(WizardPage page, eWizardPageChangeSource changeSource)
{
WizardPage oldPage = this.SelectedPage;
WizardCancelPageChangeEventArgs e = new WizardCancelPageChangeEventArgs(page, oldPage, changeSource);
OnWizardPageChanging(e);
if (e.Cancel || e.NewPage==null)
return false;
page = e.NewPage;
if (page != null)
{
page.InvokeBeforePageDisplayed(e);
if (e.Cancel || e.NewPage == null)
return false;
page = e.NewPage;
}
if (m_PageChangeDisableButtons)
{
buttonBack.Enabled = false;
buttonNext.Enabled = false;
buttonFinish.Enabled = false;
buttonCancel.Enabled = false;
}
if(m_PageChangeWaitCursor)
this.Cursor = Cursors.WaitCursor;
// Change the page
if (oldPage != null)
{
if (oldPage != page)
{
if (this.DesignMode)
TypeDescriptor.GetProperties(oldPage)["Visible"].SetValue(oldPage, false);
oldPage.Visible = false;
oldPage.InvokeAfterPageHidden(new WizardPageChangeEventArgs(page, oldPage, changeSource));
}
else
{
foreach (WizardPage wp in this.WizardPages)
{
if (wp != page)
{
if (this.DesignMode)
TypeDescriptor.GetProperties(wp)["Visible"].SetValue(wp, false);
wp.Visible = false;
}
}
}
}
if (page != null)
{
if (this.DesignMode)
TypeDescriptor.GetProperties(page)["Visible"].SetValue(page, true);
page.Visible = true;
}
m_SelectedPageIndex = m_WizardPages.IndexOf(page);
SetupButtons(true);
// Raise event
e.Cancel = false;
OnWizardPageChanged(e);
if (page != null)
{
page.InvokeAfterPageDisplayed(new WizardPageChangeEventArgs(page, oldPage, changeSource));
}
UpdatePageDisplay();
if (m_PageChangeWaitCursor)
this.Cursor = Cursors.Default;
return true;
}
