# C1.Win.Input.DropDownForm

## Content

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



  <h1 id="C1_Win_Input_DropDownForm" data-uid="C1.Win.Input.DropDownForm" class="text-break">DropDownForm Class
</h1>
  <div class="markdown level0 summary"><p>Represents a drop down form for the <a class="xref" href="C1.Win.Input.Base.C1DropDownControlBase.html">C1DropDownControlBase</a> control.</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="https://learn.microsoft.com/dotnet/api/system.marshalbyrefobject">MarshalByRefObject</a></div>
    <div class="level2"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.component">Component</a></div>
    <div class="level3"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.control">Control</a></div>
    <div class="level4"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.scrollablecontrol">ScrollableControl</a></div>
    <div class="level5"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.containercontrol">ContainerControl</a></div>
    <div class="level6"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.form">Form</a></div>
    <div class="level7"><a class="xref" href="../C1.Win.10/C1.Framework.DropDownFormBase.html">DropDownFormBase</a></div>
    <div class="level8"><span class="xref">DropDownForm</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.idroptarget">IDropTarget</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.isynchronizeinvoke">ISynchronizeInvoke</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.iwin32window">IWin32Window</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.ibindablecomponent">IBindableComponent</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.icomponent">IComponent</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.icontainercontrol">IContainerControl</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Framework.IDropDownForm.html">IDropDownForm</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.idisposable">IDisposable</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.imessagefilter">IMessageFilter</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Win.Accessibility.ISupportUia.html">ISupportUia</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Win.Accessibility.ISupportUiaContainer.html">ISupportUiaContainer</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.Input.html">C1.Win.Input</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.Input.10.dll</h6>
  <h5 id="C1_Win_Input_DropDownForm_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class DropDownForm : DropDownFormBase, IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IContainerControl, IDropDownForm, IDisposable, IMessageFilter, ISupportUia, ISupportUiaContainer</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class DropDownForm
    Inherits DropDownFormBase
    Implements IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IContainerControl, IDropDownForm, IDisposable, IMessageFilter, ISupportUia, ISupportUiaContainer</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_Win_Input_DropDownForm__ctor_C1_Win_Input_Base_C1DropDownControlBase_" data-uid="C1.Win.Input.DropDownForm.#ctor(C1.Win.Input.Base.C1DropDownControlBase)">
          <a class="xref" href="C1.Win.Input.DropDownForm.-ctor.html#C1_Win_Input_DropDownForm__ctor_C1_Win_Input_Base_C1DropDownControlBase_">DropDownForm(C1DropDownControlBase)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.Win.Input.DropDownForm.html">DropDownForm</a> class.</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_Win_Input_DropDownForm_ApplyStyle_C1_Win_Themes_BaseStyle_System_Int32_" data-uid="C1.Win.Input.DropDownForm.ApplyStyle(C1.Win.Themes.BaseStyle,System.Int32)">
          <a class="xref" href="C1.Win.Input.DropDownForm.ApplyStyle.html#C1_Win_Input_DropDownForm_ApplyStyle_C1_Win_Themes_BaseStyle_System_Int32_">ApplyStyle(BaseStyle, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Applies the style to drop down form.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_DropDownForm_GetContentSize" data-uid="C1.Win.Input.DropDownForm.GetContentSize">
          <a class="xref" href="C1.Win.Input.DropDownForm.GetContentSize.html#C1_Win_Input_DropDownForm_GetContentSize">GetContentSize()</a>
        </td>
        <td class="markdown level1 summary"><p>Returns the initial size for drop down form.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_DropDownForm_OnKeyDown_System_Windows_Forms_KeyEventArgs_" data-uid="C1.Win.Input.DropDownForm.OnKeyDown(System.Windows.Forms.KeyEventArgs)">
          <a class="xref" href="C1.Win.Input.DropDownForm.OnKeyDown.html#C1_Win_Input_DropDownForm_OnKeyDown_System_Windows_Forms_KeyEventArgs_">OnKeyDown(KeyEventArgs)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

</div>