Gets the active button of current
WebUiToggleButtonJS object.
var instance = new Vintasoft.Imaging.UI.UIElements.WebUiToggleButtonJS(settings, items, panelSettings);
var value; // Type: Vintasoft.Imaging.UI.UIElements.WebUiButtonJS
value = instance.get_ActiveButton();
Return Value
WebUiButtonJS object that represents the active button.