You are creating a Windows Forms application that has the print functionality by using the .NET Framework 3.5. You implement the PrintPage page event for the form.You associate an instance of the PrintDocument control along with an instance of the PrintPreviewDialog control named prevDialog1.You want to set the default size of the PrintPreviewDialog class to full screen. You need to provide a print preview for the user by adding a code segment to the Click event of the button on the form. Which code segment should you use？（）
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