public DragAndDropHelper(FrameworkElement source)
{
_source = source;
_sourceHelper = new DnDDragDropElementHelper(this, false);
}
protected override void OnAttached() {
base.OnAttached();
DataControlBase dataCtrl = DataControl;;
if(dataCtrl != null) {
DataViewDragDropManager.SetDragDropManager(dataCtrl, this);
DragDropHelper = new DragDropElementHelper(CreateDragSource(this));
scrollTimer = new DispatcherTimer();
scrollTimer.Interval = TimeSpan.FromMilliseconds(100);
scrollTimer.Tick += new EventHandler(scrollTimer_Tick);
AutoExpandTimer = new DispatcherTimer() { Interval = TimeSpan.FromMilliseconds(AutoExpandDelay) };
AutoExpandTimer.Tick += new EventHandler(AutoExpandTimer_Tick);
DragManager.SetDropTargetFactory(dataCtrl, new DragDropManagerDropTargetFactory());
}
}
protected override void OnAttached() {
base.OnAttached();
if(ListBox != null) {
DragDropManagerBase.SetDragDropManager(ListBox, this);
DragDropHelper = new DragDropElementHelper(new ListBoxDragSource(this, ListBox));
DragManager.SetDropTargetFactory(ListBox, new DragDropManagerDropTargetFactory());
}
}