# FarPoint.Win.Spread.FpSpread.SetViewportLeftColumn

## Content

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



<h1 id="FarPoint_Win_Spread_FpSpread_SetViewportLeftColumn_" data-uid="FarPoint.Win.Spread.FpSpread.SetViewportLeftColumn*">SetViewportLeftColumn Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="FarPoint_Win_Spread_FpSpread_SetViewportLeftColumn_" data-uid="FarPoint.Win.Spread.FpSpread.SetViewportLeftColumn*"></a>
<h4 id="FarPoint_Win_Spread_FpSpread_SetViewportLeftColumn_System_Int32_System_Int32_System_Boolean_" data-uid="FarPoint.Win.Spread.FpSpread.SetViewportLeftColumn(System.Int32,System.Int32,System.Boolean)">SetViewportLeftColumn(int, int, bool)</h4>
<div class="markdown level1 summary"><p>Sets the leftmost column of cells of the specified viewport column for the active sheet.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void SetViewportLeftColumn(int columnViewportIndex, int value, bool includeFrozenViewport = false)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub SetViewportLeftColumn(columnViewportIndex As Integer, value As Integer, Optional includeFrozenViewport As Boolean = False)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">columnViewportIndex</span></td>
      <td><p>Index of the viewport column</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>Column index to set as the leftmost column of that viewport</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><span class="parametername">includeFrozenViewport</span></td>
      <td><p><code>true</code> to allow changing frozen viewport; otherwise, changing frozen viewport will be ignored.</p>
</td>
    </tr>
  </tbody>
</table>


<a id="FarPoint_Win_Spread_FpSpread_SetViewportLeftColumn_" data-uid="FarPoint.Win.Spread.FpSpread.SetViewportLeftColumn*"></a>
<h4 id="FarPoint_Win_Spread_FpSpread_SetViewportLeftColumn_System_Int32_System_Int32_System_Int32_" data-uid="FarPoint.Win.Spread.FpSpread.SetViewportLeftColumn(System.Int32,System.Int32,System.Int32)">SetViewportLeftColumn(int, int, int)</h4>
<div class="markdown level1 summary"><p>Sets the leftmost column of cells of the specified viewport column for the specified sheet.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void SetViewportLeftColumn(int sheetIndex, int columnViewportIndex, int value)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub SetViewportLeftColumn(sheetIndex As Integer, columnViewportIndex As Integer, value As Integer)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">sheetIndex</span></td>
      <td><p>Index of sheet</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">columnViewportIndex</span></td>
      <td><p>Index of the viewport column</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>Index of the column to set as the leftmost column of that viewport</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="exceptions">Exceptions</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Condition</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentoutofrangeexception">ArgumentOutOfRangeException</a></td>
      <td><p>Specified sheet index is out of range; must be between 0 and the total number of sheets</p>
</td>
    </tr>
  </tbody>
</table>
</div>