# Customizing the C1DropDownControl

Learn how to customize the C1Input.C1DropDownControl.

## Content



This topic shows how you can customize the **C1Input.C1DropDownControl**.

To make only the drop-down button visible:

1.  Expand the [VisibleButtons](/componentone/api/win/online-input/dotnet-framework-api/C1.Win.C1Input.4.8/C1.Win.C1Input.C1DropDownControl.VisibleButtons.html) property node.
2.  Set **UpDown** to **False**. Note that the **DropDown** default is set to **True**. The control should now look like the image below:<br />![delivery-dropdown-form](https://cdn.mescius.io/document-site-files/images/6c2f30e9-4d3a-4f86-b649-ecbef777b3a3/imagesext/image11_6.png)

To make the width of the drop-down form equal to the width of the control:

1.  Select the drop-down form.
2.  Set Options.**AutoResize** to **True**.

## See Also

[Binding C1CheckBox](/componentone/docs/win/online-input/inputforwinformstask/bindingc1checkbox)