<fxlayout>
  <page name="Radial Gradient">
    <control>innerperiod</control>
    <control>color1</control>
    <control>period</control>
    <control>color2</control>
	<rgb_link_button>color1 color2</rgb_link_button>
    <control>curveType</control>
  </page>
  
</fxlayout>