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();
}
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();
}