# C1.CalcEngine.ExpressionEngine.VariableExpression

## Content

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  <h1 id="C1_CalcEngine_ExpressionEngine_VariableExpression" data-uid="C1.CalcEngine.ExpressionEngine.VariableExpression" class="text-break">VariableExpression Class
</h1>
  <div class="markdown level0 summary"><p>Simple variable reference.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><a class="xref" href="C1.CalcEngine.ExpressionEngine.Expression.html">Expression</a></div>
    <div class="level2"><span class="xref">VariableExpression</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="C1.CalcEngine.ExpressionEngine.IExpression.html">IExpression</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.icomparable-1">IComparable</a>&lt;<a class="xref" href="C1.CalcEngine.ExpressionEngine.IExpression.html">IExpression</a>&gt;</div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.CalcEngine.ExpressionEngine.html">C1.CalcEngine.ExpressionEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.CalcEngine.dll</h6>
  <h5 id="C1_CalcEngine_ExpressionEngine_VariableExpression_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class VariableExpression : Expression, IExpression, IComparable&lt;IExpression&gt;</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class VariableExpression
    Inherits Expression
    Implements IExpression, IComparable(Of IExpression)</code></pre>
  </div>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_CalcEngine_ExpressionEngine_VariableExpression__ctor_C1_CalcEngine_ExpressionEngine_IExpressionEngine_System_Collections_Generic_IDictionary_System_String_System_Object__System_String_" data-uid="C1.CalcEngine.ExpressionEngine.VariableExpression.#ctor(C1.CalcEngine.ExpressionEngine.IExpressionEngine,System.Collections.Generic.IDictionary{System.String,System.Object},System.String)">
          <a class="xref" href="C1.CalcEngine.ExpressionEngine.VariableExpression.-ctor.html#C1_CalcEngine_ExpressionEngine_VariableExpression__ctor_C1_CalcEngine_ExpressionEngine_IExpressionEngine_System_Collections_Generic_IDictionary_System_String_System_Object__System_String_">VariableExpression(IExpressionEngine, IDictionary&lt;string, object&gt;, string)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.CalcEngine.ExpressionEngine.VariableExpression.html">VariableExpression</a> class.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_CalcEngine_ExpressionEngine_VariableExpression_Evaluate" data-uid="C1.CalcEngine.ExpressionEngine.VariableExpression.Evaluate">
          <a class="xref" href="C1.CalcEngine.ExpressionEngine.VariableExpression.Evaluate.html#C1_CalcEngine_ExpressionEngine_VariableExpression_Evaluate">Evaluate()</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a result of expression.</p>
</td>
      </tr>
    </tbody>
  </table>

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