PdfViewerCalculateInitialPageNumberFunction typedef
PdfViewerCalculateInitialPageNumberFunction =
int? Function(PdfDocument document, PdfViewerController controller)
Function to calculate the initial page number.
If the function returns null, the viewer will show the page of PdfViewer.initialPageNumber.
Implementation
typedef PdfViewerCalculateInitialPageNumberFunction = int? Function(
PdfDocument document,
PdfViewerController controller,
);