C# (CSharp) VerticalTabControlLib DragAdorner.Create Examples

Create() public static method

public static Create ( UIElement adornedElement, UIElement dragTarget, Point startPosition ) : DragAdorner
adornedElement	System.Windows.UIElement
dragTarget	System.Windows.UIElement
startPosition	Point
return	DragAdorner

Example #1

        protected override void OnPreviewMouseMove(MouseEventArgs e)
        {
            base.OnPreviewMouseMove(e);
            if (!EnableSortByDragAndDrop)
            {
                return;
            }
            if (_targetContainer?.DataContext == null)
            {
                return;
            }

            var listBoxItem = _targetContainer as ListBoxItem;

            if (listBoxItem != null && !listBoxItem.IsSelected)
            {
                return;
            }

            // 移動量が十分か検証する
            var currentPosition = PointToScreen(e.GetPosition(_targetContainer));
            var delta           = (_startPosition - currentPosition);

            if (!delta.IsEnoughMoveForDrug())
            {
                return;
            }

            //Debug.WriteLine("DragDropStart");

            _dragAdorner = _dragAdorner ?? (_dragAdorner = DragAdorner.Create(this, _targetContainer, _startPosition));

            _dragAdorner.SetOffset(currentPosition.X, currentPosition.Y);

            DragDrop.DoDragDrop(this, _targetContainer.DataContext, DragDropEffects.Move);

            // 終わったら後始末
            ResetDragAndDropParameter();
        }