private void Start()
        {
            if (_panelAdorner != null || _draggingContainer == null)
            {
                return;
            }

            if (_adornerLayer == null)
            {
                _adornerLayer = AdornerLayer.GetAdornerLayer(_treeView);
            }

            if (_panelAdorner == null)
            {
                _panelAdorner = GetPanelAdorner(_treeView, _draggingContainer);
                _adornerLayer.Add(_panelAdorner);

                _draggingContainer.Opacity = 0.2;
            }

            DragDrop.AddQueryContinueDragHandler(_treeView, OnQueryContinueDrag);
            DragDrop.DoDragDrop(_treeView, _draggingContainer.DataContext, DragDropEffects.Move);
            DragDrop.RemoveQueryContinueDragHandler(_treeView, OnQueryContinueDrag);

            End();
        }
Exemplo n.º 2
0
        public MainWindow()
        {
            VM_Main viewmodel = new VM_Main();

            DataContext = viewmodel;
            InitializeComponent();

            DragDrop.AddQueryContinueDragHandler(this, new QueryContinueDragEventHandler((o, a) =>
            {
                viewmodel.Dragging = a.Action == DragAction.Continue && a.KeyStates.HasFlag(DragDropKeyStates.LeftMouseButton) && !a.EscapePressed;
            }));
            viewmodel.ShowWaitCursor = DisplayWaitCursor;
            viewmodel.UpdateTextBox  = UpdateTextBox;
        }
        private void StartDrag()
        {
            if (_panelAdorner != null || _dragedChild == null)
            {
                return;
            }

            RootAdornerLayer.Add(GetPanelAdorner(AssociatedObject, _dragedChild));
            _dragedChild.Opacity = 0;

            DragDrop.AddQueryContinueDragHandler(AssociatedObject, OnQueryContinueDrag);
            DragDrop.DoDragDrop(AssociatedObject, _dragedChild, DragDropEffects.Move);
            DragDrop.RemoveQueryContinueDragHandler(AssociatedObject, OnQueryContinueDrag);

            EndDrag();
        }
        private void StartDrag()
        {
            if (_elementAdorner != null)
            {
                return;
            }

            RootAdornerLayer.Add(ElementAdorner);

            AssociatedObject.Opacity = _hiddenWhileDragging ? 0 : 1;

            DragDrop.AddQueryContinueDragHandler(AssociatedObject, OnQueryContinueDrag);
            DragDrop.DoDragDrop(AssociatedObject, AssociatedObject, DragDropEffects.Move);
            DragDrop.RemoveQueryContinueDragHandler(AssociatedObject, OnQueryContinueDrag);

            EndDrag();
        }
        //Start Darg
        private void StartDrag()
        {
            if (_panelAdorner != null || _draggingContainer == null)
            {
                return;
            }

            if (_panelAdorner == null)
            {
                _draggingContainer.Tag = 1;
                _panelAdorner          = GetPanelAdorner(treeView, _draggingContainer);
                _draggingContainer.Tag = 0;

                _adornerLayer.Add(_panelAdorner);
                _draggingContainer.Opacity = 0.2;
            }

            DragDrop.AddQueryContinueDragHandler(treeView, OnQueryContinueDrag);
            DragDrop.DoDragDrop(treeView, _draggingContainer, DragDropEffects.Move);
            DragDrop.RemoveQueryContinueDragHandler(treeView, OnQueryContinueDrag);

            EndDrag();
        }