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/////////////////////////////////////////////////////////////////////////////
//
// (c) 2007 BinaryComponents Ltd. All Rights Reserved.
//
// http://www.binarycomponents.com/
//
/////////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Text;
namespace BinaryComponents.Utility.Control
{
public delegate void Action();
public sealed class Once
{
public Once( Action action )
{
if( action == null )
{
throw new ArgumentNullException( "action" );
}
_action = action;
}
public void Invoke()
{
if( !_actioned )
{
_actioned = true;
_action();
}
}
private bool _actioned;
private Action _action;
}
}
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