	<br/>
	<span class="codekeyw">uint32_t</span> selected = CHOICE_NONE;<br/>
	<br/>
	<span class="codecomm">// radio buttons</span><br/>
	<span class="codeclass">GUI</span>::<span class="codefunc">RadioButton</span>(CHOICE_A, selected, <span class="codelit">"Choice A"</span>);<br/>
	<span class="codeclass">GUI</span>::<span class="codefunc">RadioButton</span>(CHOICE_B, selected, <span class="codelit">"Choice B"</span>);<br/>
	<br/>
	<span class="codekeyw">bool</span> checked = <span class="codelit">false</sp