property PageBox[Box: TPdfPageBox]: TPdfRectangle;
Returns the reads or writes a specific page-box rectangle on the current page. The value is sourced from the page dictionary in the PDF, after any inherited /MediaBox / /CropBox / /Rotate from parent nodes are resolved.
Read-only unless the property name implies a writer (such as Page or PageRotation); assigning to read-only properties has no effect.
Coordinates and dimensions are reported in PDF user-space points. To convert to pixels for a target DPI, use PointsToPixels(Value, DPI) or the equivalent helpers.
| Box | Which page box to retrieve: pbMedia / pbCrop / pbBleed / pbTrim / pbArt. |
Pdf1.Page; switching the current page transparently updates the values returned here.Active is False the property returns 0, an empty rectangle, or the default enum element.
var
R: TPdfRectangle;
begin
if Pdf1.Active then
begin
R := Pdf1.PageBox[pbMedia];
Memo1.Lines.Add(Format('%.2f x %.2f pt', [R.Right - R.Left, R.Top - R.Bottom]));
end;
end;