xwt/Xwt.WPF/Xwt.WPFBackend/ValuesContainer.cs

72 строки
2.0 KiB
C#

//
// ValuesContainer.cs
//
// Author:
// Eric Maupin <ermau@xamarin.com>
//
// Copyright (c) 2012 Xamarin, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.ComponentModel;
namespace Xwt.WPFBackend
{
internal class ValuesContainer
: INotifyPropertyChanged
{
internal ValuesContainer (int size)
{
if (size < 0)
throw new ArgumentOutOfRangeException ();
this.values = new object[size];
}
internal ValuesContainer (object[] values)
{
if (values == null)
throw new ArgumentNullException ("values");
this.values = values;
}
public virtual event PropertyChangedEventHandler PropertyChanged;
public object this[int index] {
get { return this.values [index]; }
set
{
this.values [index] = value;
OnPropertyChanged (new PropertyChangedEventArgs ("Item[]"));
}
}
protected readonly object[] values;
protected void OnPropertyChanged (PropertyChangedEventArgs e)
{
var handler = this.PropertyChanged;
if (handler != null)
handler (this, e);
}
}
}