By default, the BorderWidth property is 1. Use the BorderWidth property to assign a different size for the node's border. The BackColor property specifies the node's background color. The BorderWidth property indicates the width of the node's border. The ShadowNode property property shows or hides the shadow for a specific node. The ShadowNode property determines whether the control displays a shadow for nodes. Use the PenBorderNode property to define the type of the pen used to paint the borders for a specified node. Use the DrawRoundNode property to specify whether the node has a round border.