GoToPage
Viewer interaction
Description
Moves the Viewer to the given one-based page, clamped into the valid range, and returns the page actually shown. When the page changes the viewer drains finished background renderings into the cache, refreshes the layout, scrolls a continuous layout to the page band, requests the neighbouring pages for prefetching and fires
OnPageChange
Syntax
Delphi
Function TPDFlibViewer.GoToPage(NewPage: Integer): Integer;Parameters
| NewPage | Requested one-based page index; values below 1 and beyond the last page are clamped |
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Return values
| 0 | No document is open |
|---|---|
| Positive value | The page now shown, unchanged when NewPage was already current or after clamping |
See also
TPDFlibViewer, NextPage, GoToPagePoint, PageCount, CloseDocument