private void OnFormShown(object sender, EventArgs e)
{
WizardPageBase firstPage = this.SelectedPage;
if (firstPage != null)
{
firstPage.OnBeforeDisplay(EventArgs.Empty);
firstPage.OnAfterDisplay(EventArgs.Empty);
}
}
public virtual void GoNext()
{
//thread safe call
if (this.InvokeRequired)
{
VoidCallback callback = new VoidCallback(GoNext);
this.Invoke(callback);
}
else
{
if (this.SelectedPage != null)
{
this.disabled = true;
this.RedrawButtons();
this.Cursor = Cursors.WaitCursor;
try
{
WizardPageBase selectedPage = this.SelectedPage;
CancelEventArgs args = new CancelEventArgs();
selectedPage.OnBeforeMoveNext(args);
if (!args.Cancel)
{
if (selectedPage.NextPage == null)
{
this.OnFinish(EventArgs.Empty);
}
else
{
WizardPageBase nextPage = selectedPage.NextPage;
if (nextPage != null)
{
nextPage.OnBeforeDisplay(EventArgs.Empty);
}
this.SelectedPage = nextPage;
if (nextPage != null)
{
nextPage.OnAfterDisplay(EventArgs.Empty);
}
}
}
}
finally
{
this.disabled = false;
this.RedrawButtons();
this.Cursor = Cursors.Default;
}
}
}
}
private WizardPageBase[] GetConnectedPages(WizardPageBase currentPage, bool forwardDirection)
{
ArrayList list = new ArrayList();
foreach (Control ctrl in base.Controls)
{
if (ctrl is WizardPageBase)
{
WizardPageBase page = (WizardPageBase)ctrl;
if (((page.NextPage == currentPage) && forwardDirection) || ((page.PreviousPage == currentPage) && !forwardDirection))
{
list.Add(page);
}
}
}
return((WizardPageBase[])list.ToArray(typeof(WizardPageBase)));
}
public void LinkPages()
{
WizardPageBase prevPage = null;
foreach (Control ctrl in this.Controls)
{
WizardPageBase page = ctrl as WizardPageBase;
if (page != null)
{
page.PreviousPage = prevPage;
if (prevPage != null)
{
prevPage.NextPage = page;
}
prevPage = page;
}
}
}
public virtual void GoBack()
{
//thread safe call
if (this.InvokeRequired)
{
VoidCallback callback = new VoidCallback(GoBack);
this.Invoke(callback);
}
else
{
this.disabled = true;
this.RedrawButtons();
this.Cursor = Cursors.WaitCursor;
try
{
WizardPageBase selectedPage = this.SelectedPage;
CancelEventArgs args = new CancelEventArgs();
selectedPage.OnBeforeMoveBack(args);
if (!args.Cancel)
{
WizardPageBase prevPage = selectedPage.PreviousPage;
this.SelectedPage = prevPage;
if (prevPage != null)
{
prevPage.OnAfterDisplay(EventArgs.Empty);
}
}
}
finally
{
this.disabled = false;
this.RedrawButtons();
this.Cursor = Cursors.Default;
}
}
}
public void SetPagePair(WizardPageBase firstPage, WizardPageBase secondPage)
{
firstPage.NextPage = secondPage;
secondPage.PreviousPage = firstPage;
}
public WizardPageBase[] GetPagesWithPreviousPage(WizardPageBase previousPage)
{
return(this.GetConnectedPages(previousPage, false));
}
public WizardPageBase[] GetPagesWithNextPage(WizardPageBase nextPage)
{
return(this.GetConnectedPages(nextPage, true));
}