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copied!<p>Answering my own question here, but only due to the help from Joel and sylverdrag...</p> <p>The short answer is that both the .Net and underlying COM RichTextBox do not support word wrap in tables. I ended up knocking up a test application and using both the COM and .Net RichTextBox controls and they both exhibited the same (broken) behaviour.</p> <p>I also downloaded the RTF spec from the link supplied by sylverdrag and after tinkering with hand-made RTF documents in MS Word and RichTextEdit controls, I can confirm that TichTextBox does not correctly support the \intbl control word - which is required for word wrap in tables.</p> <p>There appear to be three possible solutions:</p> <ol> <li><p>Use <a href="http://www.textcontrol.com/products/client_side/dotnet/features/" rel="nofollow noreferrer">TX Text Control</a>. I have confirmed this works using a trial version but it is expensive - prices start at US$549 per developer.</p></li> <li><p>Use an embedded MS Word instance as discussed on <a href="http://www.codeproject.com/KB/miscctrl/winwordcontrol.aspx?msg=2911786" rel="nofollow noreferrer">Code Project</a>. Note that the code example provided on Code Project didn't work out of the box but I did get it working with Office 2003 & VS 2008. After much mucking around we hit an unexpected show stopper - we want the document to be read-only so we Protect() the document. While this works, when a user tries to edit the document the MS Word "Protect Document" side bar pops out from the right hand side of the control. We can't live with this and I was not able to turn it off (and from googling it looks like I'm not alone).</p></li> <li><p>Give up on RTF and use HTML instead and then render the document in a WebBrowser control instead of a RichTextEdit control. That is the option we are taking as it turns out the source document is available in either format.</p></li> </ol>

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