C# (CSharp) BehaviorsLab.Behaviors DragBehavior Examples

Example #1

File: DragBehavior.cs Project: chiselmonkey/Behavior-lab-xaml

        private static void OnDragChanged(object sender, DependencyPropertyChangedEventArgs e)
        {
            // ignoring error checking
            var element = (UIElement)sender;
            var isDrag = (bool)(e.NewValue);

            Instance = new DragBehavior();
            ((UIElement)sender).RenderTransform = Instance.Transform;

            if (isDrag)
            {
                element.MouseLeftButtonDown += Instance.ElementOnMouseLeftButtonDown;
                element.MouseLeftButtonUp += Instance.ElementOnMouseLeftButtonUp;
                element.MouseMove += Instance.ElementOnMouseMove;
            }
            else
            {
                element.MouseLeftButtonDown -= Instance.ElementOnMouseLeftButtonDown;
                element.MouseLeftButtonUp -= Instance.ElementOnMouseLeftButtonUp;
                element.MouseMove -= Instance.ElementOnMouseMove;
            }
        }

Example #2

        private static void OnDragChanged(object sender, DependencyPropertyChangedEventArgs e)
        {
            // ignoring error checking
            var element = (UIElement)sender;
            var isDrag  = (bool)(e.NewValue);

            Instance = new DragBehavior();
            ((UIElement)sender).RenderTransform = Instance.Transform;

            if (isDrag)
            {
                element.MouseLeftButtonDown += Instance.ElementOnMouseLeftButtonDown;
                element.MouseLeftButtonUp   += Instance.ElementOnMouseLeftButtonUp;
                element.MouseMove           += Instance.ElementOnMouseMove;
            }
            else
            {
                element.MouseLeftButtonDown -= Instance.ElementOnMouseLeftButtonDown;
                element.MouseLeftButtonUp   -= Instance.ElementOnMouseLeftButtonUp;
                element.MouseMove           -= Instance.ElementOnMouseMove;
            }
        }