А как в 3.0 было нажал на кнопку с динамиким вылезло окошко. вот как то так:
<DIALOG id="Volume" effect="OpenVolume" bounds="2;90;135;390" autohide="7000" lostfocushide="true" off="VolumeOff" down="VolumeDown">
<CONTROLS>
<CONTROL type="Label" id="MainTitle" bounds="-1;-1;1;1" fontclass="Standard20" />
<CONTROL type="Button" id="Mute" bounds="18;4;100;100" effect="" fontclass="Standard20" text="AppLang.Buttons.Mute" tabindex="1" enabled="true" action="Centrafuse.CFActions.Mute" />
<CONTROL type="Slider" id="VolumePosition" bounds="18;109;100;275" effect="" max="100" min="0" tabindex="1" orientation="vertical" sliderenabled="true" slideralignment="bottom" sliderbackground="VolumeScrubberBackground" sliderforeground="VolumeScrubberForeground" slideroff="VolumeScrubberOff" sliderdown="" enabled="true" />
</CONTROLS>