# C1.ExpressionEditor.Engine.IEngine

## Content

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  <h1 id="C1_ExpressionEditor_Engine_IEngine" data-uid="C1.ExpressionEditor.Engine.IEngine" class="text-break">IEngine Interface
</h1>
  <div class="markdown level0 summary"><p>Defines properties and methods of expression engine.</p>
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  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.ExpressionEditor.Engine.html">C1.ExpressionEditor.Engine</a></h6>
  <h6><strong>Assembly</strong>: C1.WPF.ExpressionEditor.4.6.2.dll</h6>
  <h5 id="C1_ExpressionEditor_Engine_IEngine_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public interface IEngine</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Interface IEngine</code></pre>
  </div>
  <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_ExpressionEditor_Engine_IEngine_CultureInfo" data-uid="C1.ExpressionEditor.Engine.IEngine.CultureInfo">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.CultureInfo.html#C1_ExpressionEditor_Engine_IEngine_CultureInfo">CultureInfo</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.CultureInfo.html#C1_ExpressionEditor_Engine_IEngine_CultureInfo">CultureInfo</a> to use when parsing numbers and dates.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_DataSource" data-uid="C1.ExpressionEditor.Engine.IEngine.DataSource">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.DataSource.html#C1_ExpressionEditor_Engine_IEngine_DataSource">DataSource</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the object used as the data source.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_Expression" data-uid="C1.ExpressionEditor.Engine.IEngine.Expression">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.Expression.html#C1_ExpressionEditor_Engine_IEngine_Expression">Expression</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets expression string.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_IsValid" data-uid="C1.ExpressionEditor.Engine.IEngine.IsValid">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.IsValid.html#C1_ExpressionEditor_Engine_IEngine_IsValid">IsValid</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a value that indicates whether the expression is valid.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_ItemContext" data-uid="C1.ExpressionEditor.Engine.IEngine.ItemContext">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.ItemContext.html#C1_ExpressionEditor_Engine_IEngine_ItemContext">ItemContext</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the object used as the context for evaluating an 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_ExpressionEditor_Engine_IEngine_AddAlias_System_String_System_String_" data-uid="C1.ExpressionEditor.Engine.IEngine.AddAlias(System.String,System.String)">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.AddAlias.html#C1_ExpressionEditor_Engine_IEngine_AddAlias_System_String_System_String_">AddAlias(string, string)</a>
        </td>
        <td class="markdown level1 summary"><p>Added a alias for a field from DataSource.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_Evaluate" data-uid="C1.ExpressionEditor.Engine.IEngine.Evaluate">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.Evaluate.html#C1_ExpressionEditor_Engine_IEngine_Evaluate">Evaluate()</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a result of expression.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_GetErrors" data-uid="C1.ExpressionEditor.Engine.IEngine.GetErrors">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.GetErrors.html#C1_ExpressionEditor_Engine_IEngine_GetErrors">GetErrors()</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a list of <a class="xref" href="C1.ExpressionEditor.Engine.ErrorInfo.html">ErrorInfo</a> objects.</p>
</td>
      </tr>
      <tr>
        <td id="C1_ExpressionEditor_Engine_IEngine_TryEvaluate_System_Object__" data-uid="C1.ExpressionEditor.Engine.IEngine.TryEvaluate(System.Object@)">
          <a class="xref" href="C1.ExpressionEditor.Engine.IEngine.TryEvaluate.html#C1_ExpressionEditor_Engine_IEngine_TryEvaluate_System_Object__">TryEvaluate(out object)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets a result of expression. A return value indicates whether the evaluate succeeded or failed.</p>
</td>
      </tr>
    </tbody>
  </table>

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