protected override void OnAttached()
{
base.OnAttached();
AssociatedObject.LayoutUpdated += AssociatedObject_EventHandler;
AssociatedObject.Loaded += (s, e) =>
{
var window = VisualTreeWalker.FindParent <Window>(AssociatedObject);
window.LocationChanged += (ss, ee) =>
{
if (!BlockReentrance)
{
ShouldCenter = false;
}
};
};
}
private void ResizeThumb_DragStarted(object sender, DragStartedEventArgs e)
{
Item = DataContext as IColumnViewModel;
if (Item != null)
{
ParentItem = VisualTreeWalker.FindParent <ColumnHeader>(this);
if (ParentItem != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(ParentItem);
if (adornerLayer != null)
{
Adorner = new ResizeAdorner(ParentItem);
adornerLayer.Add(Adorner);
}
}
Messenger.Default.Send(new DragMessage(this, true));
}
e.Handled = true;
}
