Returns a reference to a LegendText object representing the legend header.
The header is not displayed if the Text property of the LegendText object is empty.
Example
The following example changes the text of the legend header.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2