# GrapeCity.Spreadsheet.Drawing.IPictureFormat.IncrementBrightness

## Content

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<h1 id="GrapeCity_Spreadsheet_Drawing_IPictureFormat_IncrementBrightness_" data-uid="GrapeCity.Spreadsheet.Drawing.IPictureFormat.IncrementBrightness*">IncrementBrightness Method
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<a id="GrapeCity_Spreadsheet_Drawing_IPictureFormat_IncrementBrightness_" data-uid="GrapeCity.Spreadsheet.Drawing.IPictureFormat.IncrementBrightness*"></a>
<h4 id="GrapeCity_Spreadsheet_Drawing_IPictureFormat_IncrementBrightness_System_Double_" data-uid="GrapeCity.Spreadsheet.Drawing.IPictureFormat.IncrementBrightness(System.Double)">IncrementBrightness(double)</h4>
<div class="markdown level1 summary"><p>Changes the brightness of the picture by the specified amount.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">void IncrementBrightness(double increment)</code></pre>
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  <pre><code class="lang-vbnet hljs">Sub IncrementBrightness(increment As Double)</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></td>
      <td><span class="parametername">increment</span></td>
      <td><p>Specifies how much to change the value of the Brightness property for the picture.
A positive value makes the picture brighter; a negative value makes the picture darker.</p>
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    </tr>
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