# C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase

## Content

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  <h1 id="C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase" class="text-break">ExpressionEvaluationConverterBase Class
</h1>
  <div class="markdown level0 summary"><p>Base class for value converters that evaluates expressions using the C1ExpressionEngine.</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"><span class="xref">ExpressionEvaluationConverterBase</span></div>
      <div class="level2"><a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationMultiValueConverter.html">ExpressionEvaluationMultiValueConverter</a></div>
      <div class="level2"><a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationValueConverter.html">ExpressionEvaluationValueConverter</a></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.ExpressionEditor.html">C1.WPF.ExpressionEditor</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.ExpressionEditor.dll</h6>
  <h5 id="C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public abstract class ExpressionEvaluationConverterBase : INotifyPropertyChanged</code></pre>
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  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public MustInherit Class ExpressionEvaluationConverterBase
    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_ExpressionEditor_ExpressionEvaluationConverterBase__ctor" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.#ctor">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.-ctor.html#C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase__ctor">ExpressionEvaluationConverterBase()</a>
        </td>
        <td class="markdown level1 summary"></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_ExpressionEditor_ExpressionEvaluationConverterBase_Engine" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.Engine">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.Engine.html#C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_Engine">Engine</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the expression engine which dynamically produce an expression and get the result of the expression.</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_ExpressionEditor_ExpressionEvaluationConverterBase_Convert_System_Object_System_Type_" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.Convert(System.Object,System.Type)">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.Convert.html#C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_Convert_System_Object_System_Type_">Convert(object, Type)</a>
        </td>
        <td class="markdown level1 summary"><p>Converts the evaluation results to the target type, if possible.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_Evaluate_System_Object_System_String_System_Type_System_Globalization_CultureInfo_" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.Evaluate(System.Object,System.String,System.Type,System.Globalization.CultureInfo)">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.Evaluate.html#C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_Evaluate_System_Object_System_String_System_Type_System_Globalization_CultureInfo_">Evaluate(object, string, Type, CultureInfo)</a>
        </td>
        <td class="markdown level1 summary"><p>Evaluates the expression and converts the results to the target type.</p>
</td>
      </tr>
      <tr>
        <td id="C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_OnPropertyChanged_System_Object_System_ComponentModel_PropertyChangedEventArgs_" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.OnPropertyChanged(System.Object,System.ComponentModel.PropertyChangedEventArgs)">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.OnPropertyChanged.html#C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_OnPropertyChanged_System_Object_System_ComponentModel_PropertyChangedEventArgs_">OnPropertyChanged(object, PropertyChangedEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the property changed event.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="events">Events
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_WPF_ExpressionEditor_ExpressionEvaluationConverterBase_PropertyChanged" data-uid="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.PropertyChanged">
          <a class="xref" href="C1.WPF.ExpressionEditor.ExpressionEvaluationConverterBase.PropertyChanged.html">PropertyChanged</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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