| selected | number | - | Index of the initial selected option in the drop-down list box. The index of the first option is **0**.|
| value | string | - | Text of the drop-down button.|
| font | [Font](../../ui/ts-types.md#Font) | - | Text font of the drop-down button.|
| font | [Font](../../ui/ts-types.md) | - | Text font of the drop-down button.|
| fontColor | [ResourceColor](../../ui/ts-types.md#ResourceColor) | - | Text color of the drop-down button.|
| selectedOptionBgColor | [ResourceColor](../../ui/ts-types.md#ResourceColor) | - | Background color of the selected option in the drop-down list box.|
| selectedOptionFont | [Font](../../ui/ts-types.md#Font) | - | Text font of the selected option in the drop-down list box.|
| selectedOptionFont | [Font](../../ui/ts-types.md) | - | Text font of the selected option in the drop-down list box.|
| selectedOptionFontColor | [ResourceColor](../../ui/ts-types.md#ResourceColor) | - | Text color of the selected option in the drop-down list box.|
| optionBgColor | [ResourceColor](../../ui/ts-types.md#ResourceColor) | - | Background color of an option in the drop-down list box.|
| optionFont | [Font](../../ui/ts-types.md#Font) | - | Text font of an option in the drop-down list box.|
| optionFont | [Font](../../ui/ts-types.md) | - | Text font of an option in the drop-down list box.|
| optionFontColor | [ResourceColor](../../ui/ts-types.md#ResourceColor) | - | Text color of an option in the drop-down list box.|