Change Print Settings Using the Page Setup Dialog

To invoke the Page Setup dialog, click the Page Setup... WPFDesigner_PreviewToolbar_PageSetup button on the Print Preview's toolbar.

EUD_WpfPrintPreview_PageSetupDialog

The Page Setup dialog allows you to do the following.

Change the paper size using the dedicated drop-down.
Select page orientation (Portrait or Landscape).
Specify page margins by entering the required top, left, bottom and right page margin values into the appropriate editors.