private void MakePanelVisible(DockPanel parent, DockPanel child)
{
DockLayout dockLayout = (DockLayout)parent.GetType().GetProperty("DockLayout", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(parent, null);
dockLayout.GetType().GetField("firstVisibleTabIndex", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).SetValue(dockLayout, parent.Controls.IndexOf(child));
dockLayout.GetType().GetMethod("LayoutChanged", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).Invoke(dockLayout, null);
}
