The SelHTML property specifies the control's selection in standard HTML format. The HTML property returns the control's content in standard-HTML format. The Text property specifies the control's text in exhtml format. Use the SelText property to insert text at cursor position. The EditType property specifies the way the built-in HTML tags are shown. Use the WordWrap property to wraps the control within its margins. The CursorText property gets/sets the text at specified position with or without HTML formatting. The SingleLine property specifies whether the control's text is displayed on single or multiple lines.

For instance:

In EXHML format is:

This is a bit of <off -4>text</off> that <off 4>can</off> be <fgcolor=FF0000>formatted</fgcolor>.<br><b>Select</fgcolor></b> a portion of text and <b><bgcolor=F0F0F0>right</bgcolor> - <bgcolor=D0D0D0>click</b></bgcolor> it to start formatting the selection.<br><i><r>Right - panels, show W3-HTML format in IE.

while in W3/standard HTML format is:

<div style="white-space: nowrap; overflow: hidden; text-overflow: ellipsis;">
This is a bit of&nbsp;<span style="vertical-align: 4px;">text</span>&nbsp;that&nbsp;<span style="vertical-align: -4px;">can</span>&nbsp;be&nbsp;<span style="color: #FF0000;">formatted</span>.<br/>
<b>Select</b>&nbsp;a portion of text and&nbsp;<b><span style="background: #F0F0F0;">right</span>&nbsp;-&nbsp;<span style="background: #D0D0D0;">click</span></b>&nbsp;it to start formatting the selection.<br/>
<span style="float: right;">
<i>Right - panels, show W3-HTML format in IE.</i>
</span>
</div>