# C1.Win.C1Input.DropDownCalculator

## Content

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



  <h1 id="C1_Win_C1Input_DropDownCalculator" data-uid="C1.Win.C1Input.DropDownCalculator" class="text-break">DropDownCalculator Class
</h1>
  <div class="markdown level0 summary"><p>Represents the class of dropdown calculator form.</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.C1Input.DropDownForm.html">DropDownForm</a></div>
    <div class="level8"><span class="xref">DropDownCalculator</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="https://learn.microsoft.com/dotnet/api/system.windows.forms.icontainercontrol">IContainerControl</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.windows.forms.imessagefilter">IMessageFilter</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Win.C1Input.html">C1.Win.C1Input</a></h6>
  <h6><strong>Assembly</strong>: C1.Win.C1Input.4.8.dll</h6>
  <h5 id="C1_Win_C1Input_DropDownCalculator_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class DropDownCalculator : DropDownForm, IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IDisposable, IContainerControl, IMessageFilter</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class DropDownCalculator
    Inherits DropDownForm
    Implements IDropTarget, ISynchronizeInvoke, IWin32Window, IBindableComponent, IComponent, IDisposable, IContainerControl, IMessageFilter</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_C1Input_DropDownCalculator__ctor" data-uid="C1.Win.C1Input.DropDownCalculator.#ctor">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.-ctor.html#C1_Win_C1Input_DropDownCalculator__ctor">DropDownCalculator()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the DropDownCalculator 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_C1Input_DropDownCalculator_Calculator" data-uid="C1.Win.C1Input.DropDownCalculator.Calculator">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.Calculator.html#C1_Win_C1Input_DropDownCalculator_Calculator">Calculator</a>
        </td>
        <td class="markdown level1 summary"><p>The calculator used in a DropDownCalculator form.</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_C1Input_DropDownCalculator_Dispose_System_Boolean_" data-uid="C1.Win.C1Input.DropDownCalculator.Dispose(System.Boolean)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.Dispose.html#C1_Win_C1Input_DropDownCalculator_Dispose_System_Boolean_">Dispose(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Releases the resources used by the DropDownCalculator.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnCancelChanges_System_EventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnCancelChanges(System.EventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnCancelChanges.html#C1_Win_C1Input_DropDownCalculator_OnCancelChanges_System_EventArgs_">OnCancelChanges(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnHandleCreated_System_EventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnHandleCreated(System.EventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnHandleCreated.html#C1_Win_C1Input_DropDownCalculator_OnHandleCreated_System_EventArgs_">OnHandleCreated(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnKeyDown_System_Windows_Forms_KeyEventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnKeyDown(System.Windows.Forms.KeyEventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnKeyDown.html#C1_Win_C1Input_DropDownCalculator_OnKeyDown_System_Windows_Forms_KeyEventArgs_">OnKeyDown(KeyEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnKeyPress_System_Windows_Forms_KeyPressEventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnKeyPress(System.Windows.Forms.KeyPressEventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnKeyPress.html#C1_Win_C1Input_DropDownCalculator_OnKeyPress_System_Windows_Forms_KeyPressEventArgs_">OnKeyPress(KeyPressEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnKeyUp_System_Windows_Forms_KeyEventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnKeyUp(System.Windows.Forms.KeyEventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnKeyUp.html#C1_Win_C1Input_DropDownCalculator_OnKeyUp_System_Windows_Forms_KeyEventArgs_">OnKeyUp(KeyEventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnOpen_System_EventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnOpen(System.EventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnOpen.html#C1_Win_C1Input_DropDownCalculator_OnOpen_System_EventArgs_">OnOpen(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnPostChanges_System_EventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnPostChanges(System.EventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnPostChanges.html#C1_Win_C1Input_DropDownCalculator_OnPostChanges_System_EventArgs_">OnPostChanges(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_OnVisibleChanged_System_EventArgs_" data-uid="C1.Win.C1Input.DropDownCalculator.OnVisibleChanged(System.EventArgs)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.OnVisibleChanged.html#C1_Win_C1Input_DropDownCalculator_OnVisibleChanged_System_EventArgs_">OnVisibleChanged(EventArgs)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Win_C1Input_DropDownCalculator_WndProc_System_Windows_Forms_Message__" data-uid="C1.Win.C1Input.DropDownCalculator.WndProc(System.Windows.Forms.Message@)">
          <a class="xref" href="C1.Win.C1Input.DropDownCalculator.WndProc.html#C1_Win_C1Input_DropDownCalculator_WndProc_System_Windows_Forms_Message__">WndProc(ref Message)</a>
        </td>
        <td class="markdown level1 summary"><p>This method is for internal use only.</p>
</td>
      </tr>
    </tbody>
  </table>

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