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//
// System.Web.UI.HierarchicalDataSourceControl
//
// Authors:
// Ben Maurer (bmaurer@users.sourceforge.net)
//
// (C) 2003 Ben Maurer
//
#if NET_2_0
using System.Collections;
using System.Collections.Specialized;
using System.Text;
namespace System.Web.UI {
public abstract class HierarchicalDataSourceControl : Control, IHierarchicalDataSource {
protected HierarchicalDataSourceControl()
{
}
protected virtual HierarchicalDataSourceView GetHierarchicalView (string viewPath)
{
return null;
}
HierarchicalDataSourceView IHierarchicalDataSource.GetHierarchicalView (string viewPath)
{
return this.GetHierarchicalView (viewPath);
}
//public override bool EnablePersonalization { get; set; }
//public override bool EnableTheming { get; set; }
//public override string SkinID { get; set; }
public override bool Visible {
get { return false; }
set { throw new NotSupportedException (); }
}
static object dataSourceChanged = new object ();
event EventHandler System.Web.UI.IHierarchicalDataSource.DataSourceChanged {
add { Events.AddHandler (dataSourceChanged, value); }
remove { Events.RemoveHandler (dataSourceChanged, value); }
}
protected virtual void OnDataSourceChanged (EventArgs e)
{
EventHandler eh = Events [dataSourceChanged] as EventHandler;
if (eh != null)
eh (this, e);
}
}
}
#endif
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