Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / Sys / System / Configuration / SettingsPropertyValueCollection.cs / 1 / SettingsPropertyValueCollection.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Configuration {
using System.Collections;
using System.Collections.Specialized;
using System.Runtime.Serialization;
using System.Configuration.Provider;
using System.Globalization;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Xml.Serialization;
using System.ComponentModel;
using System.Security.Permissions;
using System.Reflection;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
public class SettingsPropertyValueCollection : IEnumerable, ICloneable, ICollection
{
private Hashtable _Indices = null;
private ArrayList _Values = null;
private bool _ReadOnly = false;
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public SettingsPropertyValueCollection()
{
_Indices = new Hashtable(10, CaseInsensitiveHashCodeProvider.Default, CaseInsensitiveComparer.Default);
_Values = new ArrayList();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Add(SettingsPropertyValue property)
{
if (_ReadOnly)
throw new NotSupportedException();
int pos = _Values.Add(property);
try
{
_Indices.Add(property.Name, pos);
}
catch (Exception)
{
_Values.RemoveAt(pos);
throw;
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Remove(string name)
{
if (_ReadOnly)
throw new NotSupportedException();
object pos = _Indices[name];
if (pos == null || !(pos is int))
return;
int ipos = (int)pos;
if (ipos >= _Values.Count)
return;
_Values.RemoveAt(ipos);
_Indices.Remove(name);
ArrayList al = new ArrayList();
foreach (DictionaryEntry de in _Indices)
if ((int)de.Value > ipos)
al.Add(de.Key);
foreach (string key in al)
_Indices[key] = ((int)_Indices[key]) - 1;
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public SettingsPropertyValue this[string name]
{
get
{
object pos = _Indices[name];
if (pos == null || !(pos is int))
return null;
int ipos = (int)pos;
if (ipos >= _Values.Count)
return null;
return (SettingsPropertyValue)_Values[ipos];
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public IEnumerator GetEnumerator()
{
return _Values.GetEnumerator();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public object Clone()
{
return new SettingsPropertyValueCollection(_Indices, _Values);
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void SetReadOnly()
{
if (_ReadOnly)
return;
_ReadOnly = true;
_Values = ArrayList.ReadOnly(_Values);
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Clear()
{
_Values.Clear();
_Indices.Clear();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// ICollection interface
public int Count { get { return _Values.Count; } }
public bool IsSynchronized { get { return false; } }
public object SyncRoot { get { return this; } }
public void CopyTo(Array array, int index)
{
_Values.CopyTo(array, index);
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
private SettingsPropertyValueCollection(Hashtable indices, ArrayList values)
{
_Indices = (Hashtable)indices.Clone();
_Values = (ArrayList)values.Clone();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Configuration {
using System.Collections;
using System.Collections.Specialized;
using System.Runtime.Serialization;
using System.Configuration.Provider;
using System.Globalization;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Xml.Serialization;
using System.ComponentModel;
using System.Security.Permissions;
using System.Reflection;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
public class SettingsPropertyValueCollection : IEnumerable, ICloneable, ICollection
{
private Hashtable _Indices = null;
private ArrayList _Values = null;
private bool _ReadOnly = false;
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public SettingsPropertyValueCollection()
{
_Indices = new Hashtable(10, CaseInsensitiveHashCodeProvider.Default, CaseInsensitiveComparer.Default);
_Values = new ArrayList();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Add(SettingsPropertyValue property)
{
if (_ReadOnly)
throw new NotSupportedException();
int pos = _Values.Add(property);
try
{
_Indices.Add(property.Name, pos);
}
catch (Exception)
{
_Values.RemoveAt(pos);
throw;
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Remove(string name)
{
if (_ReadOnly)
throw new NotSupportedException();
object pos = _Indices[name];
if (pos == null || !(pos is int))
return;
int ipos = (int)pos;
if (ipos >= _Values.Count)
return;
_Values.RemoveAt(ipos);
_Indices.Remove(name);
ArrayList al = new ArrayList();
foreach (DictionaryEntry de in _Indices)
if ((int)de.Value > ipos)
al.Add(de.Key);
foreach (string key in al)
_Indices[key] = ((int)_Indices[key]) - 1;
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public SettingsPropertyValue this[string name]
{
get
{
object pos = _Indices[name];
if (pos == null || !(pos is int))
return null;
int ipos = (int)pos;
if (ipos >= _Values.Count)
return null;
return (SettingsPropertyValue)_Values[ipos];
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public IEnumerator GetEnumerator()
{
return _Values.GetEnumerator();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public object Clone()
{
return new SettingsPropertyValueCollection(_Indices, _Values);
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void SetReadOnly()
{
if (_ReadOnly)
return;
_ReadOnly = true;
_Values = ArrayList.ReadOnly(_Values);
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
public void Clear()
{
_Values.Clear();
_Indices.Clear();
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// ICollection interface
public int Count { get { return _Values.Count; } }
public bool IsSynchronized { get { return false; } }
public object SyncRoot { get { return this; } }
public void CopyTo(Array array, int index)
{
_Values.CopyTo(array, index);
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
private SettingsPropertyValueCollection(Hashtable indices, ArrayList values)
{
_Indices = (Hashtable)indices.Clone();
_Values = (ArrayList)values.Clone();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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