# GrapeCity.CalcEngine.IReferenceSource

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="GrapeCity_CalcEngine_IReferenceSource" data-uid="GrapeCity.CalcEngine.IReferenceSource" class="text-break">IReferenceSource Interface
</h1>
  <div class="markdown level0 summary"><p>Indicates the source of a cell reference or range reference</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.CalcEngine.html">GrapeCity.CalcEngine</a></h6>
  <h6><strong>Assembly</strong>: GrapeCity.CalcEngine.dll</h6>
  <h5 id="GrapeCity_CalcEngine_IReferenceSource_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public interface IReferenceSource : IComparable</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Interface IReferenceSource
    Inherits IComparable</code></pre>
  </div>
  <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="GrapeCity_CalcEngine_IReferenceSource_ColumnCount" data-uid="GrapeCity.CalcEngine.IReferenceSource.ColumnCount">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.ColumnCount.html#GrapeCity_CalcEngine_IReferenceSource_ColumnCount">ColumnCount</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the number of columns in this <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.html">IReferenceSource</a>.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_Compatibility" data-uid="GrapeCity.CalcEngine.IReferenceSource.Compatibility">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.Compatibility.html#GrapeCity_CalcEngine_IReferenceSource_Compatibility">Compatibility</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the compatibility version of functions.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_Date1904" data-uid="GrapeCity.CalcEngine.IReferenceSource.Date1904">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.Date1904.html#GrapeCity_CalcEngine_IReferenceSource_Date1904">Date1904</a>
        </td>
        <td class="markdown level1 summary"><p>Gets whether the date system used to convert a date to a serial value starts in 1904.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_Name" data-uid="GrapeCity.CalcEngine.IReferenceSource.Name">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.Name.html#GrapeCity_CalcEngine_IReferenceSource_Name">Name</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the name of this <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.html">IReferenceSource</a>.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_RowCount" data-uid="GrapeCity.CalcEngine.IReferenceSource.RowCount">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.RowCount.html#GrapeCity_CalcEngine_IReferenceSource_RowCount">RowCount</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the number of rows in this <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.html">IReferenceSource</a>.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_Supports3DReference" data-uid="GrapeCity.CalcEngine.IReferenceSource.Supports3DReference">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.Supports3DReference.html#GrapeCity_CalcEngine_IReferenceSource_Supports3DReference">Supports3DReference</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a value indicating whether this <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.html">IReferenceSource</a> object supports 3D-Reference.</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="GrapeCity_CalcEngine_IReferenceSource_EnsureCalculated_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_System_Int32_System_Int32_" data-uid="GrapeCity.CalcEngine.IReferenceSource.EnsureCalculated(GrapeCity.CalcEngine.IEvaluationContext,System.Int32,System.Int32,System.Int32,System.Int32)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.EnsureCalculated.html#GrapeCity_CalcEngine_IReferenceSource_EnsureCalculated_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_System_Int32_System_Int32_">EnsureCalculated(IEvaluationContext, int, int, int, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Make sure that all cells in the specified range are calculated.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_Get3DReferenceIndex" data-uid="GrapeCity.CalcEngine.IReferenceSource.Get3DReferenceIndex">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.Get3DReferenceIndex.html#GrapeCity_CalcEngine_IReferenceSource_Get3DReferenceIndex">Get3DReferenceIndex()</a>
        </td>
        <td class="markdown level1 summary"><p>Get the 3D-Reference index of this <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.html">IReferenceSource</a> object.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetReferenceExpression_GrapeCity_CalcEngine_FormulaEngine_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetReferenceExpression(GrapeCity.CalcEngine.FormulaEngine)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetReferenceExpression.html#GrapeCity_CalcEngine_IReferenceSource_GetReferenceExpression_GrapeCity_CalcEngine_FormulaEngine_">GetReferenceExpression(FormulaEngine)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the reference expression to evaluate this <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.html">IReferenceSource</a>.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetReferenceExpression_GrapeCity_CalcEngine_FormulaEngine_GrapeCity_CalcEngine_IStructuredObject_GrapeCity_CalcEngine_Expression_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetReferenceExpression(GrapeCity.CalcEngine.FormulaEngine,GrapeCity.CalcEngine.IStructuredObject,GrapeCity.CalcEngine.Expression)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetReferenceExpression.html#GrapeCity_CalcEngine_IReferenceSource_GetReferenceExpression_GrapeCity_CalcEngine_FormulaEngine_GrapeCity_CalcEngine_IStructuredObject_GrapeCity_CalcEngine_Expression_">GetReferenceExpression(FormulaEngine, IStructuredObject, Expression)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the reference expression to evaluate the specified <a class="xref" href="GrapeCity.CalcEngine.IStructuredObject.html">IStructuredObject</a>.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetReferenceExpression_GrapeCity_CalcEngine_FormulaEngine_GrapeCity_CalcEngine_IStructuredObject_GrapeCity_CalcEngine_StructuredItemSpecifiers_System_Int32_System_Int32_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetReferenceExpression(GrapeCity.CalcEngine.FormulaEngine,GrapeCity.CalcEngine.IStructuredObject,GrapeCity.CalcEngine.StructuredItemSpecifiers,System.Int32,System.Int32)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetReferenceExpression.html#GrapeCity_CalcEngine_IReferenceSource_GetReferenceExpression_GrapeCity_CalcEngine_FormulaEngine_GrapeCity_CalcEngine_IStructuredObject_GrapeCity_CalcEngine_StructuredItemSpecifiers_System_Int32_System_Int32_">GetReferenceExpression(FormulaEngine, IStructuredObject, StructuredItemSpecifiers, int, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the reference expression to evaluate the specified <a class="xref" href="GrapeCity.CalcEngine.IStructuredObject.html">IStructuredObject</a>.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetText_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetText(GrapeCity.CalcEngine.IEvaluationContext,System.Int32,System.Int32)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetText.html#GrapeCity_CalcEngine_IReferenceSource_GetText_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_">GetText(IEvaluationContext, int, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the text at the specified location of the 2-dimensions matrix.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_GrapeCity_CalcEngine_CellValue__" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetValue(GrapeCity.CalcEngine.IEvaluationContext,System.Int32,System.Int32,GrapeCity.CalcEngine.CellValue@)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetValue.html#GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_GrapeCity_CalcEngine_CellValue__">GetValue(IEvaluationContext, int, int, ref CellValue)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the value at the specified location of the 2-dimensions matrix.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_GrapeCity_CalcEngine_IPrimitiveValue_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetValue(GrapeCity.CalcEngine.IEvaluationContext,System.Int32,System.Int32,GrapeCity.CalcEngine.IPrimitiveValue)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetValue.html#GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_GrapeCity_CalcEngine_IPrimitiveValue_">GetValue(IEvaluationContext, int, int, IPrimitiveValue)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the value at the specified location of the 2-dimensions matrix.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_System_Int32_System_Int32_GrapeCity_CalcEngine_CellValue___System_Int32_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetValue(GrapeCity.CalcEngine.IEvaluationContext,System.Int32,System.Int32,System.Int32,System.Int32,GrapeCity.CalcEngine.CellValue[],System.Int32)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetValue.html#GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_System_Int32_System_Int32_GrapeCity_CalcEngine_CellValue___System_Int32_">GetValue(IEvaluationContext, int, int, int, int, CellValue[], int)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the values at the specified range of the 2-dimensions matrix.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_System_Int32_System_Int32_GrapeCity_CalcEngine_IValuesArray_System_Boolean_" data-uid="GrapeCity.CalcEngine.IReferenceSource.GetValue(GrapeCity.CalcEngine.IEvaluationContext,System.Int32,System.Int32,System.Int32,System.Int32,GrapeCity.CalcEngine.IValuesArray,System.Boolean)">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.GetValue.html#GrapeCity_CalcEngine_IReferenceSource_GetValue_GrapeCity_CalcEngine_IEvaluationContext_System_Int32_System_Int32_System_Int32_System_Int32_GrapeCity_CalcEngine_IValuesArray_System_Boolean_">GetValue(IEvaluationContext, int, int, int, int, IValuesArray, bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the values at the specified range of the 2-dimensions matrix.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_CalcEngine_IReferenceSource_IsUndefined" data-uid="GrapeCity.CalcEngine.IReferenceSource.IsUndefined">
          <a class="xref" href="GrapeCity.CalcEngine.IReferenceSource.IsUndefined.html#GrapeCity_CalcEngine_IReferenceSource_IsUndefined">IsUndefined()</a>
        </td>
        <td class="markdown level1 summary"><p>Determines whether this reference source is undefined.</p>
</td>
      </tr>
    </tbody>
  </table>

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