# C1.WPF.RichTextBox.C1FontSizeTool

## Content

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  <h1 id="C1_WPF_RichTextBox_C1FontSizeTool" data-uid="C1.WPF.RichTextBox.C1FontSizeTool" class="text-break">C1FontSizeTool Class
</h1>
  <div class="markdown level0 summary"><p>Control that modifies the font size in a <a class="xref" href="../C1.WPF.RichTextBox.4.6.2/C1.WPF.RichTextBox.C1RichTextBox.html">C1RichTextBox</a>.</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.WPF.RichTextBox.C1ComboTool-1.html">C1ComboTool</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a>?&gt;</div>
    <div class="level2"><span class="xref">C1FontSizeTool</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="C1.WPF.RichTextBox.IUpdateableTool.html">IUpdateableTool</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.WPF.RichTextBox.html">C1.WPF.RichTextBox</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.RichTextBox.Toolbar.4.6.2.dll</h6>
  <h5 id="C1_WPF_RichTextBox_C1FontSizeTool_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class C1FontSizeTool : C1ComboTool&lt;double?&gt;, IUpdateableTool</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class C1FontSizeTool
    Inherits C1ComboTool(Of Double?)
    Implements IUpdateableTool</code></pre>
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  <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_WPF_RichTextBox_C1FontSizeTool__ctor" data-uid="C1.WPF.RichTextBox.C1FontSizeTool.#ctor">
          <a class="xref" href="C1.WPF.RichTextBox.C1FontSizeTool.-ctor.html#C1_WPF_RichTextBox_C1FontSizeTool__ctor">C1FontSizeTool()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of a <a class="xref" href="C1.WPF.RichTextBox.C1FontSizeTool.html">C1FontSizeTool</a>.</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_WPF_RichTextBox_C1FontSizeTool_GetValue_C1_WPF_RichTextBox_Documents_C1TextRange_" data-uid="C1.WPF.RichTextBox.C1FontSizeTool.GetValue(C1.WPF.RichTextBox.Documents.C1TextRange)">
          <a class="xref" href="C1.WPF.RichTextBox.C1FontSizeTool.GetValue.html#C1_WPF_RichTextBox_C1FontSizeTool_GetValue_C1_WPF_RichTextBox_Documents_C1TextRange_">GetValue(C1TextRange)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_WPF_RichTextBox_C1FontSizeTool_SelectValue_System_Nullable_System_Double__" data-uid="C1.WPF.RichTextBox.C1FontSizeTool.SelectValue(System.Nullable{System.Double})">
          <a class="xref" href="C1.WPF.RichTextBox.C1FontSizeTool.SelectValue.html#C1_WPF_RichTextBox_C1FontSizeTool_SelectValue_System_Nullable_System_Double__">SelectValue(double?)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_WPF_RichTextBox_C1FontSizeTool_SetValue_C1_WPF_RichTextBox_Documents_C1TextRange_System_Nullable_System_Double__" data-uid="C1.WPF.RichTextBox.C1FontSizeTool.SetValue(C1.WPF.RichTextBox.Documents.C1TextRange,System.Nullable{System.Double})">
          <a class="xref" href="C1.WPF.RichTextBox.C1FontSizeTool.SetValue.html#C1_WPF_RichTextBox_C1FontSizeTool_SetValue_C1_WPF_RichTextBox_Documents_C1TextRange_System_Nullable_System_Double__">SetValue(C1TextRange, double?)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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