You are developing a Windows Forms Application by using the .NET Framework 3.5.You plan to create a customized Print Preview dialog box in the application.You need to ensure that users can preview their documents before printing.Which two actions should you perform？（）

• A、Add a PrintPreviewDialog control to the form.
• B、Add a PrintPreviewControl control to the form.
• C、Create and initialize a PrintDocument object on the form and then implement the PrintPage event handler.
• D、Create and initialize a PrintDocument object on the form and then implement the BeginPrint event handler.
• E、Set the Document property of the PrintPreviewDialog control to the PrintDocument instance that must be printed.