AnnSetLineWidth example for Delphi
procedure TForm1.TestAnnLineWidth ( hAnnObject: HANNOBJECT );
var
dLineWidth: L_DOUBLE; { Object line width }
begin
{ Double the line width }
LEADAnn1.AnnGetLineWidth ( hAnnObject, dLineWidth );
LEADAnn1.AnnSetLineWidth ( hAnnObject, dLineWidth * 2, False );
end;