HighlightRegionCount
Viewer interaction
Description
Returns the number of persistent highlight regions currently registered, added through AddHighlightRegion or vmHighlight drags
The count drops to 0 through ClearHighlightRegions and when the document closes
Syntax
Delphi
Function TPDFlibViewer.HighlightRegionCount: Integer;Return values
| Integer | Number of persistent highlight regions |
|---|
See also
TPDFlibViewer, AddHighlightRegion, ClearHighlightRegions, HighlightColor