System.Web 1.0.5000.0 2.0.0.0 Gtk# is thread aware, but not thread safe; See the <link location="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details. System.Web.UI.ControlCollection This class is used when you want to define a custom control that does not allow child controls. Provides standard support for a collection that is always empty. Constructor To be added Initializes a new instance of the class. The that owns this collection as its collection of child controls. 1.0.5000.0 2.0.0.0 Method System.Void To be added Denies the addition of the specified object to the collection. The to be added. This parameter is always ignored. 1.0.5000.0 2.0.0.0 Method System.Void To be added Denies the addition of the specified object to the collection, at the specified index position. The index at which to add the . This parameter is always ignored. The to be added. This parameter is always ignored. 1.0.5000.0 2.0.0.0