This interface, derived from IServiceProvider is used to connect a Component to its Container.

In addition to providing accessors for the host services, you can find the Name of the component and whether the component is currently being used in DesignMode.

public interface ISite : IServiceProvider {
// Public Instance Properties
   public IComponent Component{get; }
   public IContainer Container{get; }
   public bool DesignMode{get; }
   public string Name{set; get; }
}

Returned By

Component.Site, Container.CreateSite( ), IComponent.Site, MarshalByValueComponent.Site, MemberDescriptor.GetSite()

Passed To

Component.Site, IComponent.Site, MarshalByValueComponent.Site