VitNX_DockGroup.RemoveContent Method

public void RemoveContent(VitNX_DockContent dockContent)
 {
     dockContent.DockGroup = null;
     var order = dockContent.Order;
     _contents.Remove(dockContent);
     Controls.Remove(dockContent);
     foreach (var otherContent in _contents)
     {
         if (otherContent.Order > order)
             otherContent.Order--;
     }
     dockContent.DockTextChanged -= DockContent_DockTextChanged;
     if (_tabs.ContainsKey(dockContent))
         _tabs.Remove(dockContent);
     if (VisibleContent == dockContent)
     {
         VisibleContent = null;
         if (_contents.Count > 0)
         {
             var newContent = _contents[0];
             newContent.Visible = true;
             VisibleContent = newContent;
         }
     }
     var menuItem = _tabArea.GetMenuItem(dockContent);
     menuItem.Click -= TabMenuItem_Select;
     _tabArea.RemoveMenuItem(menuItem);
     UpdateTabArea();
 }