/// <summary> /// Construct new AutoScroll object that will scroll the given target object within it's container /// by attaching to the mouse events of the container. /// </summary> /// <param name="target">The target object to scroll</param> /// <param name="zoom">The master MapZoom object that manages the actual render transform</param> public MesAutoScroll(IMesContentCanvas target, IMesMapZoom zoom) { _container = ((MesContentCanvas)target).Parent as Panel; _container.MouseDown += new MouseButtonEventHandler(OnMouseDown); _container.MouseMove += new MouseEventHandler(OnMouseMove); _container.MouseWheel += new MouseWheelEventHandler(OnMouseWheel); Keyboard.AddKeyDownHandler(_container, new KeyEventHandler(OnKeyDown)); _zoom = (MesMapZoom)zoom; }
/// <summary> /// Construct new RectangleSelectionGesture object for selecting things in the given target object. /// </summary> /// <param name="target">A FrameworkElement</param> /// <param name="zoom">The MapZoom object that wraps this same target object</param> public MesRectangleSelectionGesture(IMesContentCanvas target, IMesMapZoom zoom) { _target = (MesContentCanvas)target; _container = _target.Parent as Panel; if (_container == null) { throw new ArgumentException("Target object must live in a Panel"); } _zoom = (MesMapZoom)zoom; _container.MouseLeftButtonDown += new MouseButtonEventHandler(OnMouseLeftButtonDown); _container.MouseLeftButtonUp += new MouseButtonEventHandler(OnMouseLeftButtonUp); _container.MouseMove += new MouseEventHandler(OnMouseMove); }