(C#) ASP.NET PageCatalogPart - asp:PageCatalogPart
(C#) ASP.NET PageCatalogPart Provides a catalog that keeps references to all System.Web.UI.WebControls.WebParts.WebPart controls (and other server controls contained in System.Web.UI.WebControls.WebParts.WebPartZoneBase zones) that a user has closed on a single Web Parts page, which enables users to add the closed controls back to the page. This class cannot be inherited.