Hiding page BackPicture via code

tsmr · February 2015

Hi all.
I'm trying to replicate a watermarking functionality for reports by showing/hiding the page's BackPicture. I need to access the page object via delphi code and toggle visibility flags.
I have tried the following methods but neither seems to be working:

  report_page := FormReport.frxReportLoader.FindObject('Page1') as TfrxReportPage;
  if report_page <> nil then
	begin
	  report_page.BackPicture.Assign(nil);
	end;

	report_page := FormReport.frxReportLoader.FindObject('Page1') as TfrxReportPage;
	if report_page <> nil then
	begin
	  report_page.BackPictureVisible := False;
	  report_page.BackPicturePrintable := False;
	end;

Thank you.

gordk · February 2015

Have you loaded the report into the tfrxreport component first before trying to modify it?

tsmr · February 2015

gordk wrote: »

Have you loaded the report into the tfrxreport component first before trying to modify it?

Yes.
Report operations are done in the following order (batch print):

1. load fr3 file
2. show/hide backpicture
3. prepare report
4. show report

tsmr · February 2015

Update on the issue:

this works

report_page := TfrxReportPage(FormReport.frxReportLoader.FindObject('Page1'));

this doesn't

report_page := FormReport.frxReportLoader.FindObject('Page1') as TfrxReportPage;

Hiding page BackPicture via code

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