Applies to: PrintPreview, IPrinterEx object
  Return Type:   |   BSGeneralDialogResultConstants   |
  | |
  No parameters.   |
Displays the Page Setup dialog box, where the user can select the paper size, page orientation and margins.
If the user changed something and clicked the OK button, it returns bsDialogResultOK, otherwise it returns bsDialogResultCancel.
Note: If the user did not change anything, even if pressed the OK button, the return value will be bsDialogResultCancel.