/// <summary>
/// Expands the item to display any child items.
/// </summary>
public virtual void Expand() // Aulofee customization - start. Made method virtual. Custo end
{
if (_expanded)
{
return;
}
if (_listView != null)
{
TreeListViewCancelEventArgs e = new TreeListViewCancelEventArgs(null, this);
_listView.OnItemExpanding(e);
if (e.Cancel)
{
return;
}
}
_expanded = true;
if (_items != null && _items.Count > 0)
{
_listView.RecalculateItemPositions(this);
}
else
{
_listView.Invalidate();
}
if (_listView != null)
{
_listView.OnItemExpanded(new TreeListViewEventArgs(null, this));
}
}
internal void Invalidate()
{
if (m_owner != null)
{
m_owner.Invalidate();
}
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
object result = base.EditValue(context, provider, value);
TreeListView owner = this.Context.Instance as TreeListView;
owner.Invalidate();
return(result);
}
public FlagUpdateManager(ConcurrentQueue <object> source, TreeListView myTreeView)
{
stack = new BlockingCollection <object>(source);
treeView = myTreeView;
Form1 frm = (Form1)treeView.Parent.Parent.Parent;
consumer = Task.Run(() =>
{
List <object> accumulator = new List <object>();
foreach (object myObj in stack.GetConsumingEnumerable())
{
accumulator.Add(myObj);
if (stack.Count == 0)
{
treeView.Invalidate();
accumulator.Clear();
Thread.Sleep(200);
// fist run ok, but now wait a little to build the queue for the next run
}
}
});
}