예제 #1
0
        // Creates or updates the dragged Adorner.
        private void ShowDraggedAdorner(Point currentPosition)
        {
            if (this.draggedAdorner == null)
            {
                var decorator = OverlayAdornerDecorator.FindOverlayAdornerDecorator(this.sourceItemsControl);
                var adornerLayer = AdornerLayer.GetAdornerLayer(decorator);

                this.draggedAdorner = new DraggedAdorner(this.draggedData, GetDragDropTemplate(this.sourceItemsControl), this.sourceItemContainer, adornerLayer);
            }
            this.draggedAdorner.SetPosition(currentPosition.X - this.initialMousePosition.X + this.initialMouseOffset.X, currentPosition.Y - this.initialMousePosition.Y + this.initialMouseOffset.Y);

            // event: drag started
            this.sourceItemsControl.RaiseEvent(new AdornerOpenEventArgs() { Data = this.draggedData });
        }
예제 #2
0
        private void RemoveDraggedAdorner()
        {
            if (this.draggedAdorner != null)
            {
                this.draggedAdorner.Detach();
                this.draggedAdorner = null;
            }

            // event: drag stop
            this.sourceItemsControl.RaiseEvent(new AdornerClosedEventArgs());
        }