... :PreviewOptions:SetButtons(<nButtons>) A set of buttons, which will be available in the preview window. Parameters: < nButtons> - the arithmetic sum of following possible values: FR_PB_PRINT 1 FR_PB_LOAD 2 FR_PB_SAVE 4 FR_PB_EXPORT 8 FR_PB_ZOOM 16 FR_PB_FIND 32 FR_PB_OUTLINE 64 FR_PB_PAGESETUP ...