Parameters
- pageIndex
- The 0-based index of the target page.
- itemIndex
- OUT: 0-based index of the document item (C1MultiDocumentItem) that contains the target page.
- itemPageIndex
- OUT: 0-based index of the target page within the document item that contains it (indicated by itemIndex).
- pageNo
- OUT: The logical page number within the current document.
Return Value
true if pageIndex is valid, false otherwise.