Interface IPdfViewerPreferences
- Namespace
- iTextSharp.text.pdf.interfaces
- Assembly
- iTextSharp.LGPLv2.Core.dll
Viewer preferences are described in section 3.6.1 and 8.1 of the PDF Reference 1.7 (Table 3.25 on p139-142 and Table 8.1 on p579-581). They are explained in section 13.1 of the book 'iText in Action'. The values of the different preferences were originally stored in class PdfWriter, but they have been moved to this separate interface for reasons of convenience.
public interface IPdfViewerPreferencesProperties
ViewerPreferences
Sets the page layout and page mode preferences by ORing one or two of these constants. The page layout to be used when the document is opened (choose one). PAGE_LAYOUT_SINGLE_PAGE - Display one page at a time. (default) PAGE_LAYOUT_ONE_COLUMN - Display the pages in one column. PAGE_LAYOUT_TWO_COLUMN_LEFT - Display the pages in two columns, with oddnumbered pages on the left. PAGE_LAYOUT_TWO_COLUMN_RIGHT - Display the pages in two columns, with oddnumbered pages on the right. PAGE_LAYOUT_TWO_PAGE_LEFT - Display the pages two at a time, with oddnumbered pages on the left. PAGE_LAYOUT_TWO_PAGE_RIGHT - Display the pages two at a time, with oddnumbered pages on the right. The page mode how the document should be displayed when opened (choose one). PAGE_MODE_USE_NONE - Neither document outline nor thumbnail images visible. (default) PAGE_MODE_USE_OUTLINES - Document outline visible. PAGE_MODE_USE_THUMBS - Thumbnail images visible. PAGE_MODE_FULL_SCREEN - Full-screen mode, with no menu bar, window controls, or any other window visible. PAGE_MODE_USE_OC - Optional content group panel visible PAGE_MODE_USE_ATTACHMENTS - Attachments panel visible For backward compatibility these values are also supported, but it's better to use method addViewerPreference(key, value) if you want to change the following preferences: HIDE_TOOLBAR - A flag specifying whether to hide the viewer application's tool bars when the document is active. HIDE_MENUBAR - A flag specifying whether to hide the viewer application's menu bar when the document is active. HIDE_WINDOW_UI - A flag specifying whether to hide user interface elements in the document's window (such as scroll bars and navigation controls), leaving only the document's contents displayed. FIT_WINDOW - A flag specifying whether to resize the document's window to fit the size of the first displayed page. CENTER_WINDOW - A flag specifying whether to position the document's window in the center of the screen. DISPLAY_DOC_TITLE - A flag specifying whether to display the document's title in the top bar. The predominant reading order for text. This entry has no direct effect on the document's contents or page numbering, but can be used to determine the relative positioning of pages when displayed side by side or printed n-up (choose one). DIRECTION_L2R - Left to right DIRECTION_R2L - Right to left (including vertical writing systems such as Chinese, Japanese, and Korean) The document's page mode, specifying how to display the document on exiting full-screen mode. It is meaningful only if the page mode is PageModeFullScreen (choose one). NON_FULL_SCREEN_PAGE_MODE_USE_NONE - Neither document outline nor thumbnail images visible NON_FULL_SCREEN_PAGE_MODE_USE_OUTLINES - Document outline visible NON_FULL_SCREEN_PAGE_MODE_USE_THUMBS - Thumbnail images visible NON_FULL_SCREEN_PAGE_MODE_USE_OC - Optional content group panel visible PRINT_SCALING_NONE - Indicates that the print dialog should reflect no page scaling. @see PdfViewerPreferences#addViewerPreference
int ViewerPreferences { set; }Property Value
Methods
AddViewerPreference(PdfName, PdfObject)
Adds a viewer preference. In case the key is one of these values: PdfName. HIDETOOLBAR PdfName. HIDEMENUBAR PdfName. HIDEWINDOWUI PdfName. FITWINDOW PdfName. CENTERWINDOW PdfName. DISPLAYDOCTITLE The value must be a of type PdfBoolean (true or false). In case the key is PdfName. NONFULLSCREENPAGEMODE , the value must be one of these names: PdfName. USENONE PdfName. USEOUTLINES PdfName. USETHUMBS PdfName. USEOC In case the key is PdfName.DIRECTION, the value must be one of these names: PdfName. L2R PdfName. R2L In case the key is one of these values: PdfName. VIEWAREA PdfName. VIEWCLIP PdfName. PRINTAREA PdfName. PRINTCLIP The value must be one of these names: PdfName. MEDIABOX PdfName. CROPBOX PdfName. BLEEDBOX PdfName. TRIMBOX PdfName. ARTBOX In case the key is PdfName. PRINTSCALING , the value can be PdfName. APPDEFAULT PdfName. NONE In case the key is PdfName. DUPLEX , the value can be: PdfName. SIMPLEX PdfName. DUPLEXFLIPSHORTEDGE PdfName. DUPLEXFLIPLONGEDGE In case the key is PdfName. PICKTRAYBYPDFSIZE , the value must be of type PdfBoolean. In case the key is PdfName. PRINTPAGERANGE , the value must be of type PdfArray. In case the key is PdfName. NUMCOPIES , the value must be of type PdfNumber. @see PdfViewerPreferences#setViewerPreferences
void AddViewerPreference(PdfName key, PdfObject value)