# C1.C1Preview.Design.DropDownFormClassNameEditor.GetBaseFormClassNameEx

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="C1_C1Preview_Design_DropDownFormClassNameEditor_GetBaseFormClassNameEx_" data-uid="C1.C1Preview.Design.DropDownFormClassNameEditor.GetBaseFormClassNameEx*">GetBaseFormClassNameEx Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_C1Preview_Design_DropDownFormClassNameEditor_GetBaseFormClassNameEx_" data-uid="C1.C1Preview.Design.DropDownFormClassNameEditor.GetBaseFormClassNameEx*"></a>
<h4 id="C1_C1Preview_Design_DropDownFormClassNameEditor_GetBaseFormClassNameEx_System_ComponentModel_ITypeDescriptorContext_System_IServiceProvider_System_Object_" data-uid="C1.C1Preview.Design.DropDownFormClassNameEditor.GetBaseFormClassNameEx(System.ComponentModel.ITypeDescriptorContext,System.IServiceProvider,System.Object)">GetBaseFormClassNameEx(ITypeDescriptorContext, IServiceProvider, object)</h4>
<div class="markdown level1 summary"><p>When overridden in a derived type, should return the name of the base form type.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected virtual string GetBaseFormClassNameEx(ITypeDescriptorContext context, IServiceProvider provider, object instance)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overridable Function GetBaseFormClassNameEx(context As ITypeDescriptorContext, provider As IServiceProvider, instance As Object) As String</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.itypedescriptorcontext">ITypeDescriptorContext</a></td>
      <td><span class="parametername">context</span></td>
      <td><p>The editor context.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.iserviceprovider">IServiceProvider</a></td>
      <td><span class="parametername">provider</span></td>
      <td><p>The service provider.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">instance</span></td>
      <td><p>The instance associated with this editor.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><p>The base form type name.</p>
</td>
    </tr>
  </tbody>
</table>
</div>