# C1.WPF.DataFilter.ThreeStateFilter

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="C1_WPF_DataFilter_ThreeStateFilter" data-uid="C1.WPF.DataFilter.ThreeStateFilter" class="text-break">ThreeStateFilter Class
</h1>
  <div class="markdown level0 summary"><p>Represents a filter with checkboxes for bool value.</p>
</div>
  <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.DataFilter.NotifyPropertyChanged.html">NotifyPropertyChanged</a></div>
    <div class="level2"><a class="xref" href="C1.WPF.DataFilter.Filter.html">Filter</a></div>
    <div class="level3"><span class="xref">ThreeStateFilter</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.inotifypropertychanged">INotifyPropertyChanged</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.WPF.DataFilter.html">C1.WPF.DataFilter</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.DataFilter.dll</h6>
  <h5 id="C1_WPF_DataFilter_ThreeStateFilter_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class ThreeStateFilter : Filter, INotifyPropertyChanged</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class ThreeStateFilter
    Inherits Filter
    Implements INotifyPropertyChanged</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_WPF_DataFilter_ThreeStateFilter__ctor" data-uid="C1.WPF.DataFilter.ThreeStateFilter.#ctor">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.-ctor.html#C1_WPF_DataFilter_ThreeStateFilter__ctor">ThreeStateFilter()</a>
        </td>
        <td class="markdown level1 summary"><p>Ctor.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter__ctor_System_String_System_Boolean_" data-uid="C1.WPF.DataFilter.ThreeStateFilter.#ctor(System.String,System.Boolean)">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.-ctor.html#C1_WPF_DataFilter_ThreeStateFilter__ctor_System_String_System_Boolean_">ThreeStateFilter(string, bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Ctor.</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_WPF_DataFilter_ThreeStateFilter_Expression" data-uid="C1.WPF.DataFilter.ThreeStateFilter.Expression">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.Expression.html#C1_WPF_DataFilter_ThreeStateFilter_Expression">Expression</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the expression of the current <a class="xref" href="C1.WPF.DataFilter.Filter.html">Filter</a>.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_FalseLabel" data-uid="C1.WPF.DataFilter.ThreeStateFilter.FalseLabel">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.FalseLabel.html#C1_WPF_DataFilter_ThreeStateFilter_FalseLabel">FalseLabel</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the text of label of false checkbox.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_IsApplied" data-uid="C1.WPF.DataFilter.ThreeStateFilter.IsApplied">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.IsApplied.html#C1_WPF_DataFilter_ThreeStateFilter_IsApplied">IsApplied</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a value indicating the current <a class="xref" href="C1.WPF.DataFilter.Filter.html">Filter</a> is applied or not.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_IsFalseChecked" data-uid="C1.WPF.DataFilter.ThreeStateFilter.IsFalseChecked">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.IsFalseChecked.html#C1_WPF_DataFilter_ThreeStateFilter_IsFalseChecked">IsFalseChecked</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the value of the false condition.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_IsNullChecked" data-uid="C1.WPF.DataFilter.ThreeStateFilter.IsNullChecked">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.IsNullChecked.html#C1_WPF_DataFilter_ThreeStateFilter_IsNullChecked">IsNullChecked</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the value of the null condition.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_IsThreeState" data-uid="C1.WPF.DataFilter.ThreeStateFilter.IsThreeState">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.IsThreeState.html#C1_WPF_DataFilter_ThreeStateFilter_IsThreeState">IsThreeState</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets allows filter to accept nullable bool value.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_IsTrueChecked" data-uid="C1.WPF.DataFilter.ThreeStateFilter.IsTrueChecked">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.IsTrueChecked.html#C1_WPF_DataFilter_ThreeStateFilter_IsTrueChecked">IsTrueChecked</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the value of the true condition.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_NullLabel" data-uid="C1.WPF.DataFilter.ThreeStateFilter.NullLabel">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.NullLabel.html#C1_WPF_DataFilter_ThreeStateFilter_NullLabel">NullLabel</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the text of label of null checkbox.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_SelectAllLabel" data-uid="C1.WPF.DataFilter.ThreeStateFilter.SelectAllLabel">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.SelectAllLabel.html#C1_WPF_DataFilter_ThreeStateFilter_SelectAllLabel">SelectAllLabel</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the text of label of select all checkbox.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_DataFilter_ThreeStateFilter_TrueLabel" data-uid="C1.WPF.DataFilter.ThreeStateFilter.TrueLabel">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.TrueLabel.html#C1_WPF_DataFilter_ThreeStateFilter_TrueLabel">TrueLabel</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the text of label of true checkbox.</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_DataFilter_ThreeStateFilter_Reset_System_Boolean_" data-uid="C1.WPF.DataFilter.ThreeStateFilter.Reset(System.Boolean)">
          <a class="xref" href="C1.WPF.DataFilter.ThreeStateFilter.Reset.html#C1_WPF_DataFilter_ThreeStateFilter_Reset_System_Boolean_">Reset(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Resets the filter value to the default value.</p>
</td>
      </tr>
    </tbody>
  </table>

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