Method titleColor

packages/fairygui/src/widgets/GButton.ts:133–139

* Get/set title color * 获取/设置标题颜色

()

     * 获取/设置标题颜色
     */
    public get titleColor(): string {
        const tf = this.getTextField();
        if (tf) {
            return tf.color;
        }
        return '#000000';
    }

    public set titleColor(value: string) {
        const tf = this.getTextField();