RegionAtClientPoint

Viewer interaction

Description

Identifies the link, non-link annotation or form field under a Viewer client coordinate

The returned record includes the one-based page and top-down PDF point coordinate after accounting for zoom, scrolling, page layout and view rotation

Function TPDFlibViewer.RegionAtClientPoint(X, Y: Integer; Out Region: TPDFlibViewerActiveRegion): Boolean;

False	The point is outside an interactive region; `Region.Kind` is `vrNone`
True	A link, annotation or form field was found