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ExpressionInfo provides aggregates, global collections, et cetera, as well as information about the expected data type of the expression's result. <h1 class="heading"><span class="expandcollapse" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="dotnetimages/collapse.gif">Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection"><div class="LanguageSpecific" id="Syntax_VB"><table class="syntaxtable" width="100%" cellpadding="0" cellspacing="0"><tr><th>Visual Basic (Declaration)</th><th> </th></tr><tr><td colspan="2"><pre>Public MustInherit Class ExpressionInfo </pre></td></tr></table></div> <div class="LanguageSpecific" id="Syntax_CS"><table class="syntaxtable" width="100%" cellpadding="0" cellspacing="0"><tr><th>C#</th><th> </th></tr><tr><td colspan="2"><pre>public abstract class ExpressionInfo </pre></td></tr></table></div> </div> <a name="exampleBookmark"></a> <h1 class="heading"><span class="expandcollapse" tabindex="0"><img id="inheritanceToggle" class="toggle" name="toggleSwitch" src="dotnetimages/collapse.gif">Inheritance Hierarchy</span></h1><div id="inheritanceSection" class="section" name="collapseableSection"><p><a href="#" onclick="javascript:navigateToHelp2Keyword('frlrfSystemObjectClassTopic','System.Object')">System.Object</a><br> <strong>DataDynamics.Reports.Expressions.ExpressionInfo</strong><br></p></div> <a name="seealsobookmark"></a> <h1 class="heading"><span class="expandcollapse" tabindex="0"><img id="seealsoToggle" class="toggle" name="toggleSwitch" src="dotnetimages/collapse.gif">See Also</span></h1><div id="seealsoSection" class="section" name="collapseableSection"><h4 class="dxh4">Reference</h4><a href="DataDynamics.Reports~DataDynamics.Reports.Expressions.ExpressionInfo_members.html">ExpressionInfo Members</a> <br><a href="DataDynamics.Reports~DataDynamics.Reports.Expressions_namespace.html">DataDynamics.Reports.Expressions Namespace</a> <p> </div> </div> <div id="pagefooter"> </div> </div> <div id="nonscrollingpagefooter">©2010. 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