selectionStyle

Specifies the appearance of groups in the selected state.

Type: Object

When the user selects a group, this element responds by changing its style. Using the fields of the selectionStyle object, you can specify the color of group headers and appearance of group borders in the selected state.

To learn how to implement the selection feature and get familiar with available selection modes, refer to the selectionMode option description.

border

Configures the appearance of the group borders in the selected state.

Type: Object

color

Colors the group headers in the selected state.

Type: String
Default Value: undefined

This option supports the following colors.