# C1.CalcEngine.ExcelEngine.ExcelEngine

## Content

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  <h1 id="C1_CalcEngine_ExcelEngine_ExcelEngine" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine" class="text-break">ExcelEngine Class
</h1>
  <div class="markdown level0 summary"><p>The <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.html">ExcelEngine</a> class is used to dynamically produce an expression and get the result of the expression. Supports Excel-like syntax.</p>
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  <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.ExpressionEngine.html">ExpressionEngine</a></div>
    <div class="level2"><span class="xref">ExcelEngine</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="C1.CalcEngine.ExpressionEngine.IExpressionEngine.html">IExpressionEngine</a></div>
    <div><a class="xref" href="C1.CalcEngine.IEngineExtended.html">IEngineExtended</a></div>
    <div><a class="xref" href="C1.CalcEngine.IEngineExpressionItems.html">IEngineExpressionItems</a></div>
    <div><a class="xref" href="C1.CalcEngine.ISupportAliases.html">ISupportAliases</a></div>
    <div><a class="xref" href="C1.CalcEngine.ISupportCustomFunctions.html">ISupportCustomFunctions</a></div>
    <div><a class="xref" href="C1.CalcEngine.IEngine.html">IEngine</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.CalcEngine.ExcelEngine.html">C1.CalcEngine.ExcelEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.CalcEngine.dll</h6>
  <h5 id="C1_CalcEngine_ExcelEngine_ExcelEngine_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class ExcelEngine : ExpressionEngine, IExpressionEngine, IEngineExtended, IEngineExpressionItems, ISupportAliases, ISupportCustomFunctions, IEngine</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class ExcelEngine
    Inherits ExpressionEngine
    Implements IExpressionEngine, IEngineExtended, IEngineExpressionItems, ISupportAliases, ISupportCustomFunctions, IEngine</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_ExcelEngine_ExcelEngine__ctor" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.#ctor">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.-ctor.html#C1_CalcEngine_ExcelEngine_ExcelEngine__ctor">ExcelEngine()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.html">ExcelEngine</a> class.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_CurrentIndex" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.CurrentIndex">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.CurrentIndex.html#C1_CalcEngine_ExcelEngine_ExcelEngine_CurrentIndex">CurrentIndex</a>
        </td>
        <td class="markdown level1 summary"><p>This property is not used in this class.</p>
</td>
      </tr>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_DataSource" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.DataSource">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.DataSource.html#C1_CalcEngine_ExcelEngine_ExcelEngine_DataSource">DataSource</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the object used as the data source.</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_ExcelEngine_ExcelEngine_GetCustomFunctionExpression_System_String_C1_CalcEngine_ExpressionEngine_CustomFunctionDefinition_System_Collections_Generic_List_C1_CalcEngine_ExpressionEngine_IExpression__" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.GetCustomFunctionExpression(System.String,C1.CalcEngine.ExpressionEngine.CustomFunctionDefinition,System.Collections.Generic.List{C1.CalcEngine.ExpressionEngine.IExpression})">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.GetCustomFunctionExpression.html#C1_CalcEngine_ExcelEngine_ExcelEngine_GetCustomFunctionExpression_System_String_C1_CalcEngine_ExpressionEngine_CustomFunctionDefinition_System_Collections_Generic_List_C1_CalcEngine_ExpressionEngine_IExpression__">GetCustomFunctionExpression(string, CustomFunctionDefinition, List&lt;IExpression&gt;)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a custom function expression.</p>
</td>
      </tr>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_GetFieldNames" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.GetFieldNames">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.GetFieldNames.html#C1_CalcEngine_ExcelEngine_ExcelEngine_GetFieldNames">GetFieldNames()</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the data source sheet names.</p>
</td>
      </tr>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_GetFunctionExpression_System_String_C1_CalcEngine_ExpressionEngine_FunctionDefinition_System_Collections_Generic_List_C1_CalcEngine_ExpressionEngine_IExpression__" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.GetFunctionExpression(System.String,C1.CalcEngine.ExpressionEngine.FunctionDefinition,System.Collections.Generic.List{C1.CalcEngine.ExpressionEngine.IExpression})">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.GetFunctionExpression.html#C1_CalcEngine_ExcelEngine_ExcelEngine_GetFunctionExpression_System_String_C1_CalcEngine_ExpressionEngine_FunctionDefinition_System_Collections_Generic_List_C1_CalcEngine_ExpressionEngine_IExpression__">GetFunctionExpression(string, FunctionDefinition, List&lt;IExpression&gt;)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a function expression.</p>
</td>
      </tr>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_GetValue_System_Collections_Generic_IEnumerable_System_Object__" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.GetValue(System.Collections.Generic.IEnumerable{System.Object})">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.GetValue.html#C1_CalcEngine_ExcelEngine_ExcelEngine_GetValue_System_Collections_Generic_IEnumerable_System_Object__">GetValue(IEnumerable&lt;object&gt;)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a value from data source.</p>
</td>
      </tr>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_ParseIdentifier_System_Char_System_Int32_" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.ParseIdentifier(System.Char,System.Int32)">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.ParseIdentifier.html#C1_CalcEngine_ExcelEngine_ExcelEngine_ParseIdentifier_System_Char_System_Int32_">ParseIdentifier(char, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Parses an identifier string.</p>
</td>
      </tr>
      <tr>
        <td id="C1_CalcEngine_ExcelEngine_ExcelEngine_ParseIdentifier_System_String_" data-uid="C1.CalcEngine.ExcelEngine.ExcelEngine.ParseIdentifier(System.String)">
          <a class="xref" href="C1.CalcEngine.ExcelEngine.ExcelEngine.ParseIdentifier.html#C1_CalcEngine_ExcelEngine_ExcelEngine_ParseIdentifier_System_String_">ParseIdentifier(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Parses an identifier string.</p>
</td>
      </tr>
    </tbody>
  </table>

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