private void Tag_OnPreviewMouseDown(object sender, MouseButtonEventArgs e)
{
var element = (FrameworkElement)sender;
Tag tag = element.DataContext as Tag;
if (tag == null)
{
return;
}
var dragElement = new DragProcessor.DragElement((DragProcessor.IDragElement)tag, WorkSpace.Instance.ActiveField);
DragHelper.SetClick(dragElement, e);
}
private void Node_OnPreviewMouseDown(object sender, MouseButtonEventArgs e)
{
var nodeCtrl = sender as NodeCotrol;
if (nodeCtrl != null && nodeCtrl.IsDraEnable)
{
var nodes = new List <Node>(SelectedNodes);
var node = ((FrameworkElement)sender).DataContext as Node;
if (!nodes.Contains(node))
{
nodes.Add(node);
}
var data = new DragProcessor.DragElement(nodes, CurTag);
DragHelper.SetClick(data, e);
e.Handled = false;
}
}