TPdfObjectList.HighlightedIndex

Declaration

property HighlightedIndex: Integer;

Description

Draws a colored rectangle around the specified object.

Note:
◼ The color of the highlighting rect is specified by HighlightColor
◼ You must call ImageEnView1.Invalidate() after setting HighlightedIndex

Example

// Select the clicked object
procedure TfrmMain.ImageEnView1MouseDown(Sender: TObject; Button: TMouseButton;
    Shift: TShiftState; X, Y: Integer);
var
  idx: Integer;
  pt: TDPoint;
begin
  pt  := ImageEnView1.PdfViewer.ScrToPage( X, Y, True );
  idx := ImageEnView1.PdfViewer.Objects.FindObjectAt( pt );
  if idx > -1 then
  begin
    ImageEnView1.PdfViewer.Objects.HighlightedIndex := idx;
    ImageEnView1.Invalidate();
  end;
end;

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