SettingsHelper.cs

// Automate the settings window for debugging
// e.a. automatically expand the Plugins section and select the plugin you are currently working on

public void Initialize()
{
    LokiPoe.OnGuiTick += OnGuiTickEvent;
}

private static void OnGuiTickEvent(object sender, GuiTickEventArgs e)
{
    if (!LokiPoe.IsBotFullyLoaded)
        return;
    var settingsWin = Application.Current.Windows.FirstOrDefault<Window>(w=> w.Title.ToLower() == "settings");
    if (settingsWin?.IsVisible == false)
        return;

    LokiPoe.OnGuiTick -= OnGuiTickEvent;
            
    var found = false;
    // we have to update the tree after each expansion
    for (int i = 0; i < 3 && !found; i++)
    {
        var settingsTree = Wpf.FindControlByName<ItemsControl>(settingsWin, "NewSettingsTreeView");
        ApplyTree(settingsTree, i =>
        {
            if (i.Header.ToString() == "Plugins")
                i.IsExpanded = true;
            if (i.Header.ToString() == "Routines")
                i.IsExpanded = true;

            // Select a plugin to show it's settings
            // it only works reliably when we expand the section first
            if (i.Header.ToString().Contains("Expeditor"))
            {
                i.IsSelected = true;
                found = true;
            }
        });
        // wait for tree to update
        Application.Current.Dispatcher.Invoke(DispatcherPriority.Background, new Action(() => { }));
    }
}

private static void ApplyTree(ItemsControl items, Action<TreeViewItem> f)
{
    foreach (var obj in items.Items)
    {
        ItemsControl childControl = items.ItemContainerGenerator.ContainerFromItem(obj) as ItemsControl;
        if (childControl != null)
        {
            ApplyTree(childControl, f);
        }
        TreeViewItem item = childControl as TreeViewItem;
        if (item != null)
            f(item);
    }
}