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When document in RV is formatted, it has width:
rv.RVData.DocumentWidth+rv.LeftMargin+rv.RightMargin;
height:
rv.DocumentHeight.

Continued here: http://www.trichview.com/forums/viewtopic.php?t=2227

But I think you should check if FileName is a full local path (do not add 'file://' to relative paths and to internet addresses).
For example,

Your code work for table background. For table cells: if (ItemNo=-1) and (RVData.GetSourceRVData is TRVTableCellData) then begin FileName := TRVTableCellData(RVData.GetSourceRVData).BackgroundImageFileName; if FileName<>'' then begin Location := 'file://' + FileName; DoDefault := False; end; end; Fo...

This is a known problem. It will be fixed in one of future updates.

You draw header above the printable area (above the rectangle defined in PrintAreaRect). You can reserve space for header by increasing RVPrint.TopMarginsMM. The code below does it. Call it before calling RVPrint1.FormatPages. // returns page width and height, in printer pixels procedure GetPageSize...

1) I do not completely understand the question. There is no designtime document editor, so items cannot be inserted at design time. GetItemCoords returns coordinates of item at the moment of its call. Of course, document must be formatted, otherwise coordinates are undefined. 2) When you do a drag&a...

In this declaration (both in hpp and cpp files) change TBitmap to Graphics:TBitmap.

If you want to store backgrounds with documents, include rvfoSaveBack and rvfoLoadBack in DBRichViewEdit.RVFOptions.

Do headers on different pages have different heights?

I'll start working on it after releasing TRichView/ScaleRichView update on the web site.

Thank you, and merry Christmas to all!

Do you need to generate document with right-aligned cell? If yes, create a right-aligned paragraph style before generation, and pass its index in AddNL().

I know you can create a right aligned Paragraph but how do you set such a style to a table cell?

Simply use right-aligned paragraphs inside table cells.

RichViewEdit.DocParameters property does not affect how documents are displayed. Its primary use is to save this information in RTF files (and in RVF files). TRVRuler cannot change them, because it's impossible (it cannot change page size, page margins and other DocParameters, because they are not d...