e"></div>
<div class="LightLine"></div>
<div id="HeaderToolbar">
<img id="ExpandCollapseAllImg" src="../../GFX/SmallSquareExpanded.gif" alt="" style="vertical-align: top;" onclick="javascript: ToggleAllSectionsVisibility();" />
<span id="ExpandCollapseAllSpan" onclick="javascript: ToggleAllSectionsVisibility();">Collapse All</span>
</div>
</div>
<div id="Contents">
<a id="ContentsAnchor">&nbsp;</a>
Encapsulates a value that may or may not be available.
<div id="ItemLocation">
<b>Namespace:</b> <a