System.ComponentModel.DebugTypeDescriptor.ComponentEntry.GetExtenderProviders C# (CSharp) Method

            private IExtenderProvider[] GetExtenderProviders(ISite site) {
                // See if this component's site has an IExtenderListService.  If it
                // does, we get our list of extenders from that, not from the container.
                //
                IExtenderListService listService = (IExtenderListService)site.GetService(typeof(IExtenderListService));

                if (listService != null) {
                    return listService.GetExtenderProviders();
                }
                else {
                    ComponentCollection comps = site.Container.Components;
                    ArrayList exList = null;
                    foreach(IComponent comp in comps) {
                        if (comp is IExtenderProvider) {
                            if (exList == null) {
                                exList = new ArrayList(2);
                            }
                            exList.Add(comp);
                        }
                    }
                    if (exList == null) {
                        return null;
                    }
                    else {
                        IExtenderProvider[] temp = new IExtenderProvider[exList.Count];
                        exList.CopyTo(temp, 0);
                        return temp;
                    }
                }
            }