# Key Features

Expander for WPF control provides features like, setting up expand direction, customize header, control expandability, and configure items in organized pattern.

## Content



Expander allows you to create customized and rich applications. Make the most of Expander by taking advantage of the following key features:

*   **Expand Direction**<br />The Expander control has the ability to expand in four different directions, namely Top, Right, Bottom, and Left. This allows you to change the direction in which the control expands. For more information, see the [Expand Direction](/componentone/docs/wpf/online-accordion5/overview/expander-overview/expander-expand-direction) topic.
*   **Custom Header**<br />The Expander control's header can be easily customized by adding some text or controls in it. For more information on the expander header, see [Header](/componentone/docs/wpf/online-accordion5/overview/expander-overview/header).
*   **Control Expandability**<br />Choose whether or not the Expander control is expanded upon page load by simply using a single property. For more information, see the [Expandability](/componentone/docs/wpf/online-accordion5/overview/expander-overview/expandability) topic.
*   **Configure Items in an Organized Pattern**<br />Expander is designed to maximize space. Configure the size and position of the expander to hide items until needed.