internal override void OnMouseMove(MouseEventArgs e)
{
if (!IsLeftButtonDown || CheckOverScrollBar(e.GetPosition(TreeView)))
{
CleanUpAdorners();
return;
}
if (!CanDrag)
{
return;
}
DragContent dragData = new DragContent();
foreach (var item in _DraggableItems)
{
DragParameters dragParameters = new DragParameters(item);
TreeView.DragCommand.Execute(dragParameters);
dragData.Add(dragParameters.DraggedObject);
}
DragStart(dragData);
DragDo(dragData);
DragEnd();
e.Handled = true;
}
public DropParameters(TreeViewExItem dropToItem, IDataObject dropData, int index)
{
this.DropToItem = dropToItem;
this.DropData = dropData;
this.InsertAtIndex = index;
_Content = dropData.GetData(typeof(DragContent)) as DragContent;
}
void DragStart(DragContent dragData)
{
_AutoScroller.IsEnabled = true;
}
void DragDo(DragContent dragData)
{
DragDrop.DoDragDrop(TreeView, new DataObject(dragData), DragDropEffects.All);
}
