# C1.Win.Input.C1ComboBox

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="C1_Win_Input_C1ComboBox" data-uid="C1.Win.Input.C1ComboBox" class="text-break">C1ComboBox Class
</h1>
  <div class="markdown level0 summary"><p>Represents a Windows combobox 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="../C1.Win.10/C1.Framework.XViewLight.html">XViewLight</a></div>
    <div class="level5"><a class="xref" href="C1.Win.Input.Base.C1InputControl.html">C1InputControl</a></div>
    <div class="level6"><a class="xref" href="C1.Win.Input.Base.C1InputHost.html">C1InputHost</a></div>
    <div class="level7"><a class="xref" href="C1.Win.Input.Base.C1DropDownControlBase.html">C1DropDownControlBase</a></div>
    <div class="level8"><a class="xref" href="C1.Win.Input.Base.C1DropDownEditorBase.html">C1DropDownEditorBase</a></div>
    <div class="level9"><span class="xref">C1ComboBox</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.idisposable">IDisposable</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Framework.IView.html">IView</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Win.Accessibility.ISupportUia.html">ISupportUia</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.componentmodel.isupportinitialize">ISupportInitialize</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Framework.IDropDownOwner.html">IDropDownOwner</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Win.Accessibility.ISupportUiaContainer.html">ISupportUiaContainer</a></div>
    <div><a class="xref" href="C1.Win.Input.Base.ITextBoxHolder.html">ITextBoxHolder</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Win.Accessibility.Items.BaseInterfaces.IUiaExpandCollapseProvider.html">IUiaExpandCollapseProvider</a></div>
    <div><a class="xref" href="C1.Win.Input.IComboBox.html">IComboBox</a></div>
    <div><a class="xref" href="C1.Win.Input.Base.IDropDownEditorBase.html">IDropDownEditorBase</a></div>
    <div><a class="xref" href="C1.Win.Input.Base.IDropDownControlBase.html">IDropDownControlBase</a></div>
    <div><a class="xref" href="C1.Win.Input.IInputEditor.html">IInputEditor</a></div>
    <div><a class="xref" href="../C1.Win.10/C1.Win.IEmbeddedEditor.html">IEmbeddedEditor</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_C1ComboBox_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[ToolboxBitmap(typeof(C1ComboBox), &quot;C1ComboBox.png&quot;)]
public class C1ComboBox : C1DropDownEditorBase, IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IDisposable, IView, ISupportUia, ISupportInitialize, IDropDownOwner, ISupportUiaContainer, ITextBoxHolder, IUiaExpandCollapseProvider, IComboBox, IDropDownEditorBase, IDropDownControlBase, IInputEditor, IEmbeddedEditor</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;ToolboxBitmap(GetType(C1ComboBox), &quot;C1ComboBox.png&quot;)&gt;
Public Class C1ComboBox
    Inherits C1DropDownEditorBase
    Implements IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IDisposable, IView, ISupportUia, ISupportInitialize, IDropDownOwner, ISupportUiaContainer, ITextBoxHolder, IUiaExpandCollapseProvider, IComboBox, IDropDownEditorBase, IDropDownControlBase, IInputEditor, IEmbeddedEditor</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_C1ComboBox__ctor" data-uid="C1.Win.Input.C1ComboBox.#ctor">
          <a class="xref" href="C1.Win.Input.C1ComboBox.-ctor.html#C1_Win_Input_C1ComboBox__ctor">C1ComboBox()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> class.</p>
</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_Win_Input_C1ComboBox_AllowSpinLoop" data-uid="C1.Win.Input.C1ComboBox.AllowSpinLoop">
          <a class="xref" href="C1.Win.Input.C1ComboBox.AllowSpinLoop.html#C1_Win_Input_C1ComboBox_AllowSpinLoop">AllowSpinLoop</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the determines whether the spinner moves to the first item when it reaches the last, or to the last when it reaches the first.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_AutoCompleteCustomSource" data-uid="C1.Win.Input.C1ComboBox.AutoCompleteCustomSource">
          <a class="xref" href="C1.Win.Input.C1ComboBox.AutoCompleteCustomSource.html#C1_Win_Input_C1ComboBox_AutoCompleteCustomSource">AutoCompleteCustomSource</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a custom <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.specialized.stringcollection">StringCollection</a> to use when
the <a class="xref" href="C1.Win.Input.C1ComboBox.AutoCompleteSource.html#C1_Win_Input_C1ComboBox_AutoCompleteSource">AutoCompleteSource</a> property is set to CustomSource.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_AutoCompleteMode" data-uid="C1.Win.Input.C1ComboBox.AutoCompleteMode">
          <a class="xref" href="C1.Win.Input.C1ComboBox.AutoCompleteMode.html#C1_Win_Input_C1ComboBox_AutoCompleteMode">AutoCompleteMode</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets an option that controls how automatic completion works for the control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_AutoCompleteSource" data-uid="C1.Win.Input.C1ComboBox.AutoCompleteSource">
          <a class="xref" href="C1.Win.Input.C1ComboBox.AutoCompleteSource.html#C1_Win_Input_C1ComboBox_AutoCompleteSource">AutoCompleteSource</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value specifying the source of complete strings used for automatic completion.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_AutoSuggestMode" data-uid="C1.Win.Input.C1ComboBox.AutoSuggestMode">
          <a class="xref" href="C1.Win.Input.C1ComboBox.AutoSuggestMode.html#C1_Win_Input_C1ComboBox_AutoSuggestMode">AutoSuggestMode</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets an option that controls how candidates searching works in auto-suggest mode.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_HtmlPattern" data-uid="C1.Win.Input.C1ComboBox.HtmlPattern">
          <a class="xref" href="C1.Win.Input.C1ComboBox.HtmlPattern.html#C1_Win_Input_C1ComboBox_HtmlPattern">HtmlPattern</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the pattern to build HTML representation of <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control items.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ItemHeight" data-uid="C1.Win.Input.C1ComboBox.ItemHeight">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ItemHeight.html#C1_Win_Input_C1ComboBox_ItemHeight">ItemHeight</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the height of an item in the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ItemMode" data-uid="C1.Win.Input.C1ComboBox.ItemMode">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ItemMode.html#C1_Win_Input_C1ComboBox_ItemMode">ItemMode</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the C1ComboBox item mode.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_Items" data-uid="C1.Win.Input.C1ComboBox.Items">
          <a class="xref" href="C1.Win.Input.C1ComboBox.Items.html#C1_Win_Input_C1ComboBox_Items">Items</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the collection of the items contained in this <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ItemsDataSource" data-uid="C1.Win.Input.C1ComboBox.ItemsDataSource">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ItemsDataSource.html#C1_Win_Input_C1ComboBox_ItemsDataSource">ItemsDataSource</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the data source for items of this <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ItemsDisplayMember" data-uid="C1.Win.Input.C1ComboBox.ItemsDisplayMember">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ItemsDisplayMember.html#C1_Win_Input_C1ComboBox_ItemsDisplayMember">ItemsDisplayMember</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the property to display items for this <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ItemsImageList" data-uid="C1.Win.Input.C1ComboBox.ItemsImageList">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ItemsImageList.html#C1_Win_Input_C1ComboBox_ItemsImageList">ItemsImageList</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the ImageList to get the images to display in the combobox items.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ItemsValueMember" data-uid="C1.Win.Input.C1ComboBox.ItemsValueMember">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ItemsValueMember.html#C1_Win_Input_C1ComboBox_ItemsValueMember">ItemsValueMember</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the path of the property to use as the actual value for the items in the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_MaxDropDownItems" data-uid="C1.Win.Input.C1ComboBox.MaxDropDownItems">
          <a class="xref" href="C1.Win.Input.C1ComboBox.MaxDropDownItems.html#C1_Win_Input_C1ComboBox_MaxDropDownItems">MaxDropDownItems</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the maximum number of items to be shown in the drop-down portion of the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a>.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_SelectedIndex" data-uid="C1.Win.Input.C1ComboBox.SelectedIndex">
          <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedIndex.html#C1_Win_Input_C1ComboBox_SelectedIndex">SelectedIndex</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the index specifying the currently selected item.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_SelectedItem" data-uid="C1.Win.Input.C1ComboBox.SelectedItem">
          <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedItem.html#C1_Win_Input_C1ComboBox_SelectedItem">SelectedItem</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets currently selected item in the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_SelectedValue" data-uid="C1.Win.Input.C1ComboBox.SelectedValue">
          <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedValue.html#C1_Win_Input_C1ComboBox_SelectedValue">SelectedValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the value of the member property specified by the <a class="xref" href="C1.Win.Input.C1ComboBox.ItemsValueMember.html#C1_Win_Input_C1ComboBox_ItemsValueMember">ItemsValueMember</a> property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ShowTooltip" data-uid="C1.Win.Input.C1ComboBox.ShowTooltip">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ShowTooltip.html#C1_Win_Input_C1ComboBox_ShowTooltip">ShowTooltip</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value that indicates whether the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> displays a tooltip for the highlighted drop-down list item or not.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_Styles" data-uid="C1.Win.Input.C1ComboBox.Styles">
          <a class="xref" href="C1.Win.Input.C1ComboBox.Styles.html#C1_Win_Input_C1ComboBox_Styles">Styles</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> styles.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_TranslateValue" data-uid="C1.Win.Input.C1ComboBox.TranslateValue">
          <a class="xref" href="C1.Win.Input.C1ComboBox.TranslateValue.html#C1_Win_Input_C1ComboBox_TranslateValue">TranslateValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating that the <a class="xref" href="C1.Win.Input.Base.C1DropDownEditorBase.Value.html#C1_Win_Input_Base_C1DropDownEditorBase_Value">Value</a> property should be translated to the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.control.text">Text</a> property using the <a class="xref" href="C1.Win.Input.ComboBoxItem.DisplayText.html#C1_Win_Input_ComboBoxItem_DisplayText">DisplayText</a> property.</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_C1ComboBox_ApplyStyle" data-uid="C1.Win.Input.C1ComboBox.ApplyStyle">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ApplyStyle.html#C1_Win_Input_C1ComboBox_ApplyStyle">ApplyStyle()</a>
        </td>
        <td class="markdown level1 summary"><p>Applies the style to control view.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_CreateDropDownForm" data-uid="C1.Win.Input.C1ComboBox.CreateDropDownForm">
          <a class="xref" href="C1.Win.Input.C1ComboBox.CreateDropDownForm.html#C1_Win_Input_C1ComboBox_CreateDropDownForm">CreateDropDownForm()</a>
        </td>
        <td class="markdown level1 summary"><p>Creates the drop down form.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_DestroyForm" data-uid="C1.Win.Input.C1ComboBox.DestroyForm">
          <a class="xref" href="C1.Win.Input.C1ComboBox.DestroyForm.html#C1_Win_Input_C1ComboBox_DestroyForm">DestroyForm()</a>
        </td>
        <td class="markdown level1 summary"><p>Destroys the DropDownForm.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_Dispose_System_Boolean_" data-uid="C1.Win.Input.C1ComboBox.Dispose(System.Boolean)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.Dispose.html#C1_Win_Input_C1ComboBox_Dispose_System_Boolean_">Dispose(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Releases the unmanaged resources used by the <a class="xref" href="C1.Win.Input.C1ComboBox.html">C1ComboBox</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_DropDownClicked" data-uid="C1.Win.Input.C1ComboBox.DropDownClicked">
          <a class="xref" href="C1.Win.Input.C1ComboBox.DropDownClicked.html#C1_Win_Input_C1ComboBox_DropDownClicked">DropDownClicked()</a>
        </td>
        <td class="markdown level1 summary"><p>Fires when DropDown button was clicked.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_DropDownFormOpening" data-uid="C1.Win.Input.C1ComboBox.DropDownFormOpening">
          <a class="xref" href="C1.Win.Input.C1ComboBox.DropDownFormOpening.html#C1_Win_Input_C1ComboBox_DropDownFormOpening">DropDownFormOpening()</a>
        </td>
        <td class="markdown level1 summary"><p>Fires before drop down form is opened.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_GetDropDownItem_C1_Win_Accessibility_UiaItem_" data-uid="C1.Win.Input.C1ComboBox.GetDropDownItem(C1.Win.Accessibility.UiaItem)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.GetDropDownItem.html#C1_Win_Input_C1ComboBox_GetDropDownItem_C1_Win_Accessibility_UiaItem_">GetDropDownItem(UiaItem)</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the <a class="xref" href="../C1.Win.10/C1.Win.Accessibility.UiaItem.html">UiaItem</a> from the drop down part of this <a class="xref" href="C1.Win.Input.Base.C1DropDownControlBase.html">C1DropDownControlBase</a> control.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnClick_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnClick(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnClick.html#C1_Win_Input_C1ComboBox_OnClick_System_EventArgs_">OnClick(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.control.click">Click</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnDropDownClosed_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnDropDownClosed(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnDropDownClosed.html#C1_Win_Input_C1ComboBox_OnDropDownClosed_System_EventArgs_">OnDropDownClosed(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.Input.Base.C1DropDownControlBase.DropDownClosed.html">DropDownClosed</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnDropDownOpened_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnDropDownOpened(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnDropDownOpened.html#C1_Win_Input_C1ComboBox_OnDropDownOpened_System_EventArgs_">OnDropDownOpened(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.Input.Base.C1DropDownControlBase.DropDownOpened.html">DropDownOpened</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnKeyDown_System_Windows_Forms_KeyEventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnKeyDown(System.Windows.Forms.KeyEventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnKeyDown.html#C1_Win_Input_C1ComboBox_OnKeyDown_System_Windows_Forms_KeyEventArgs_">OnKeyDown(KeyEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.control.keydown">KeyDown</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnMouseWheel_System_Windows_Forms_MouseEventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnMouseWheel(System.Windows.Forms.MouseEventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnMouseWheel.html#C1_Win_Input_C1ComboBox_OnMouseWheel_System_Windows_Forms_MouseEventArgs_">OnMouseWheel(MouseEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.control.mousewheel">MouseWheel</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnPostChanges_C1_Framework_Element_" data-uid="C1.Win.Input.C1ComboBox.OnPostChanges(C1.Framework.Element)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnPostChanges.html#C1_Win_Input_C1ComboBox_OnPostChanges_C1_Framework_Element_">OnPostChanges(Element)</a>
        </td>
        <td class="markdown level1 summary"><p>Fires when item was clicked on drop down item list.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnSelectedIndexChanged_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnSelectedIndexChanged(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnSelectedIndexChanged.html#C1_Win_Input_C1ComboBox_OnSelectedIndexChanged_System_EventArgs_">OnSelectedIndexChanged(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedIndexChanged.html">SelectedIndexChanged</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnSelectedItemChanged_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnSelectedItemChanged(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnSelectedItemChanged.html#C1_Win_Input_C1ComboBox_OnSelectedItemChanged_System_EventArgs_">OnSelectedItemChanged(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedItemChanged.html">SelectedItemChanged</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnTextChanged_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnTextChanged(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnTextChanged.html#C1_Win_Input_C1ComboBox_OnTextChanged_System_EventArgs_">OnTextChanged(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.control.textchanged">TextChanged</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnTooltipShowing_C1_Win_Input_ItemTooltipShowingEventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnTooltipShowing(C1.Win.Input.ItemTooltipShowingEventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnTooltipShowing.html#C1_Win_Input_C1ComboBox_OnTooltipShowing_C1_Win_Input_ItemTooltipShowingEventArgs_">OnTooltipShowing(ItemTooltipShowingEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.Input.C1ComboBox.TooltipShowing.html">TooltipShowing</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_OnValueChanged_System_EventArgs_" data-uid="C1.Win.Input.C1ComboBox.OnValueChanged(System.EventArgs)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.OnValueChanged.html#C1_Win_Input_C1ComboBox_OnValueChanged_System_EventArgs_">OnValueChanged(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>Raises the <a class="xref" href="C1.Win.Input.Base.C1DropDownEditorBase.ValueChanged.html">ValueChanged</a> event.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ResetItems" data-uid="C1.Win.Input.C1ComboBox.ResetItems">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ResetItems.html#C1_Win_Input_C1ComboBox_ResetItems">ResetItems()</a>
        </td>
        <td class="markdown level1 summary"><p>Restores the default value of the <a class="xref" href="C1.Win.Input.C1ComboBox.Items.html#C1_Win_Input_C1ComboBox_Items">Items</a> property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_SetItemsDataSource_System_Object_System_Int32_" data-uid="C1.Win.Input.C1ComboBox.SetItemsDataSource(System.Object,System.Int32)">
          <a class="xref" href="C1.Win.Input.C1ComboBox.SetItemsDataSource.html#C1_Win_Input_C1ComboBox_SetItemsDataSource_System_Object_System_Int32_">SetItemsDataSource(object, int)</a>
        </td>
        <td class="markdown level1 summary"><p>Sets items data source for the C1ComboBox.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_ShouldSerializeItems" data-uid="C1.Win.Input.C1ComboBox.ShouldSerializeItems">
          <a class="xref" href="C1.Win.Input.C1ComboBox.ShouldSerializeItems.html#C1_Win_Input_C1ComboBox_ShouldSerializeItems">ShouldSerializeItems()</a>
        </td>
        <td class="markdown level1 summary"><p>Specifies whether to save the value of the <a class="xref" href="C1.Win.Input.C1ComboBox.Items.html#C1_Win_Input_C1ComboBox_Items">Items</a> property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_UpdateIcon" data-uid="C1.Win.Input.C1ComboBox.UpdateIcon">
          <a class="xref" href="C1.Win.Input.C1ComboBox.UpdateIcon.html#C1_Win_Input_C1ComboBox_UpdateIcon">UpdateIcon()</a>
        </td>
        <td class="markdown level1 summary"><p>Updates the control icon.</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_Win_Input_C1ComboBox_SelectedIndexChanged" data-uid="C1.Win.Input.C1ComboBox.SelectedIndexChanged">
          <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedIndexChanged.html">SelectedIndexChanged</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs when the <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedIndex.html#C1_Win_Input_C1ComboBox_SelectedIndex">SelectedIndex</a> property changes.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_SelectedItemChanged" data-uid="C1.Win.Input.C1ComboBox.SelectedItemChanged">
          <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedItemChanged.html">SelectedItemChanged</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs when the <a class="xref" href="C1.Win.Input.C1ComboBox.SelectedItem.html#C1_Win_Input_C1ComboBox_SelectedItem">SelectedItem</a> property changes.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_Input_C1ComboBox_TooltipShowing" data-uid="C1.Win.Input.C1ComboBox.TooltipShowing">
          <a class="xref" href="C1.Win.Input.C1ComboBox.TooltipShowing.html">TooltipShowing</a>
        </td>
        <td class="markdown level1 summary"><p>Occurs before a tooltip is displayed for a highlighted drop-down list item.
Allows to set tooltip options or cancel the tooltip display.</p>
</td>
      </tr>
    </tbody>
  </table>

</div>
