THotPDF.SetLoadedPageBox Method

Sets the page bounding box (MediaBox, CropBox, BleedBox, TrimBox, or ArtBox) for the specified page in the loaded PDF document

Declaration

procedure SetLoadedPageBox(PageIndex: Integer; Box: THPDFPageBoundary; ARect: THPDFRect);

HPDFDoc

Name	Purpose
`PageIndex`	Zero-based index of the target page; 0 indicates the first page
`Box`	The type of page boundary to set, which takes the value of the THPDFPageBoundary enumeration (MediaBox, CropBox, BleedBox, TrimBox, ArtBox)
`ARect`	New bounding rectangle, represented in PDF user space coordinates (points) with the origin at the bottom-left corner
`Bottom`	Page coordinate or size value expressed in the current HotPDF coordinate space
`Right`	Page coordinate or size value expressed in the current HotPDF coordinate space
`Top`	Page coordinate or size value expressed in the current HotPDF coordinate space

This member returns no value

The CropBox must sit fully inside the MediaBox, otherwise printing or display may clip unexpectedly
BleedBox and TrimBox are primarily used in print workflows; standard screen display readers usually only use MediaBox and CropBox
The save method must be called after modification to write changes to the file