/// <summary>
///
/// </summary>
/// <param name="target"></param>
public GUIContext(IRenderTarget target)
: base(target)
{
_rootWindow = null;
_isDirty = false;
d_defaultTooltipObject = null;
d_weCreatedTooltipObject = false;
d_defaultFont = null;
d_surfaceSize = target.GetArea().Size;
d_modalWindow = null;
d_captureWindow = null;
//d_areaChangedEventConnection(target.subscribeEvent(RenderTarget::EventAreaChanged,Event::Subscriber(&GUIContext::areaChangedHandler, this)));
target.AreaChanged += AreaChangedHandler;
//d_windowDestroyedEventConnection(WindowManager::getSingleton().subscribeEvent(WindowManager::EventWindowDestroyed,Event::Subscriber(&GUIContext::windowDestroyedHandler, this)));
WindowManager.GetSingleton().WindowDestroyed += WindowDestroyedHandler;
d_windowNavigator = null;
ResetWindowContainingCursor();
InitializeSemanticEventHandlers();
}