# C1.Web.Mvc.IDropDown

## Content

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



  <h1 id="C1_Web_Mvc_IDropDown" data-uid="C1.Web.Mvc.IDropDown" class="text-break">IDropDown Interface
</h1>
  <div class="markdown level0 summary"><p>Defines an interface for DropDown.</p>
</div>
  <div class="markdown level0 conceptual"></div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Web.Mvc.html">C1.Web.Mvc</a></h6>
  <h6><strong>Assembly</strong>: C1.AspNetCore.Mvc.dll</h6>
  <h5 id="C1_Web_Mvc_IDropDown_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public interface IDropDown</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Interface IDropDown</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_Web_Mvc_IDropDown_AutoExpandSelection" data-uid="C1.Web.Mvc.IDropDown.AutoExpandSelection">
          <a class="xref" href="C1.Web.Mvc.IDropDown.AutoExpandSelection.html#C1_Web_Mvc_IDropDown_AutoExpandSelection">AutoExpandSelection</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value that indicates whether the control should automatically expand
the selection to whole words/numbers when the control is clicked.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_DropDownCssClass" data-uid="C1.Web.Mvc.IDropDown.DropDownCssClass">
          <a class="xref" href="C1.Web.Mvc.IDropDown.DropDownCssClass.html#C1_Web_Mvc_IDropDown_DropDownCssClass">DropDownCssClass</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a CSS class name to add to the control's drop-down element.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_IsAnimated" data-uid="C1.Web.Mvc.IDropDown.IsAnimated">
          <a class="xref" href="C1.Web.Mvc.IDropDown.IsAnimated.html#C1_Web_Mvc_IDropDown_IsAnimated">IsAnimated</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value that indicates whether the control should use a fade-in animation
when displaying the drop-down.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_IsDroppedDown" data-uid="C1.Web.Mvc.IDropDown.IsDroppedDown">
          <a class="xref" href="C1.Web.Mvc.IDropDown.IsDroppedDown.html#C1_Web_Mvc_IDropDown_IsDroppedDown">IsDroppedDown</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the drop down is currently visible.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_IsReadOnly" data-uid="C1.Web.Mvc.IDropDown.IsReadOnly">
          <a class="xref" href="C1.Web.Mvc.IDropDown.IsReadOnly.html#C1_Web_Mvc_IDropDown_IsReadOnly">IsReadOnly</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value that indicates whether the user can modify
the control value using the mouse and keyboard.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_IsRequired" data-uid="C1.Web.Mvc.IDropDown.IsRequired">
          <a class="xref" href="C1.Web.Mvc.IDropDown.IsRequired.html#C1_Web_Mvc_IDropDown_IsRequired">IsRequired</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the control value must be a non-empty string.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_OnClientIsDroppedDownChanged" data-uid="C1.Web.Mvc.IDropDown.OnClientIsDroppedDownChanged">
          <a class="xref" href="C1.Web.Mvc.IDropDown.OnClientIsDroppedDownChanged.html#C1_Web_Mvc_IDropDown_OnClientIsDroppedDownChanged">OnClientIsDroppedDownChanged</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs after the drop down is shown or hidden.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_OnClientIsDroppedDownChanging" data-uid="C1.Web.Mvc.IDropDown.OnClientIsDroppedDownChanging">
          <a class="xref" href="C1.Web.Mvc.IDropDown.OnClientIsDroppedDownChanging.html#C1_Web_Mvc_IDropDown_OnClientIsDroppedDownChanging">OnClientIsDroppedDownChanging</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs before the drop down is shown or hidden.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_OnClientTextChanged" data-uid="C1.Web.Mvc.IDropDown.OnClientTextChanged">
          <a class="xref" href="C1.Web.Mvc.IDropDown.OnClientTextChanged.html#C1_Web_Mvc_IDropDown_OnClientTextChanged">OnClientTextChanged</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs when the value of the Text property changes.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_Placeholder" data-uid="C1.Web.Mvc.IDropDown.Placeholder">
          <a class="xref" href="C1.Web.Mvc.IDropDown.Placeholder.html#C1_Web_Mvc_IDropDown_Placeholder">Placeholder</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the string shown as a hint when the control is empty.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_ShowDropDownButton" data-uid="C1.Web.Mvc.IDropDown.ShowDropDownButton">
          <a class="xref" href="C1.Web.Mvc.IDropDown.ShowDropDownButton.html#C1_Web_Mvc_IDropDown_ShowDropDownButton">ShowDropDownButton</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the control should display a drop-down button.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_IDropDown_Text" data-uid="C1.Web.Mvc.IDropDown.Text">
          <a class="xref" href="C1.Web.Mvc.IDropDown.Text.html#C1_Web_Mvc_IDropDown_Text">Text</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the text shown on the control.</p>
</td>
      </tr>
    </tbody>
  </table>

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