private vrValue ColorPickerHandler(vrValue iValue)
    {
        vrVec4 color = iValue.GetVec4();

        print("Selected color : " + color.x().ToString() + " " + color.y().ToString() + " " + color.z().ToString());
        return(null);
    }
 private void ColorPickerHandler(vrVec4 iValue)
 {
     print("Selected color : " + iValue.x() + " " + iValue.y() + " " + iValue.z());
 }