Color mixer in C# application by using Devexpress

Code:

private void barButtonItem36_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
           using (DevExpress.XtraEditors.ColorWheel.ColorWheelForm f = new DevExpress.XtraEditors.ColorWheel.ColorWheelForm())
            {
                f.ShowDialog(this);
            }
        }