Displays the set of active components on a ZEN page within
a simple tree.
This is used by ZEN Tools.
property onselect as %ZEN.Datatype.eventHandler;
onselect event handler: This event is fired when the user selects a component in the browser. property rootObjectId as %ZEN.Datatype.string;
If defined, this is the id of top-most zen component to display within the object browser. property sourcePage as %ZEN.Component.page;
If defined, this is the page object containing the objects we are browsing.
Subclasses implement this in order to render the static HTML contents of a component.
Update the values displayed within the browser.