Suggestion: triple-click to select row in InputBox/TextBox and paragraph in RichTextBox

In upcoming Internet Explorer version (IE9), one can triple click text in a webpage to select a whole paragraph (vs double-clicking that already existed to select a whole word) of text. A really useful feature I believe (if coupled with an accelerator to send selected content to social networks it would be even nicer)

I’d suggested this feature is added to Windows native UI controls too (and hope this would eventually be implemented in Java and .NET WinForms and WPF controls too). It would be very useful to have in single-line InputBox / TextField (instead of having to press CTRL+A) but especially in multi-line ones like the classic TextBox (where it would select current text row) or the RichTextBox (RTF-enabled) one (where it would select current paragraph as in IE9).