Date: 04/09/07 (Code WTF)    Keywords: no keywords

// 08/03/2006 40983 - Quick Action to create a child record errors: The system cannot find the file specified.
if( string.Compare(ex.Message, string.Empty, true) == 0)
{
...
}

Source: http://community.livejournal.com/code_wtf/79484.html