ConfigurationSectionGroupCollection クラス
定義
重要
一部の情報は、リリース前に大きく変更される可能性があるプレリリースされた製品に関するものです。 Microsoft は、ここに記載されている情報について、明示または黙示を問わず、一切保証しません。
ConfigurationSectionGroup オブジェクトのコレクションを表します。
public ref class ConfigurationSectionGroupCollection sealed : System::Collections::Specialized::NameObjectCollectionBasepublic sealed class ConfigurationSectionGroupCollection : System.Collections.Specialized.NameObjectCollectionBase[System.Serializable]
public sealed class ConfigurationSectionGroupCollection : System.Collections.Specialized.NameObjectCollectionBasetype ConfigurationSectionGroupCollection = class
inherit NameObjectCollectionBase[<System.Serializable>]
type ConfigurationSectionGroupCollection = class
inherit NameObjectCollectionBasePublic NotInheritable Class ConfigurationSectionGroupCollection
Inherits NameObjectCollectionBase- 継承
- 属性
例
ConfigurationSectionGroupCollection クラスを使用するコード例を次に示します。
using System;
using System.Configuration;
using System.Collections;
namespace Samples.Config
{
// Define a custom section.
public sealed class CustomSection :
ConfigurationSection
{
public CustomSection()
{ }
[ConfigurationProperty("fileName", DefaultValue = "default.txt",
IsRequired = true, IsKey = false)]
[StringValidator(InvalidCharacters = " ~!@#$%^&*()[]{}/;'\"|\\",
MinLength = 1, MaxLength = 60)]
public string FileName
{
get
{
return (string)this["fileName"];
}
set
{
this["fileName"] = value;
}
}
[ConfigurationProperty("maxUsers", DefaultValue = (long)10000,
IsRequired = false)]
[LongValidator(MinValue = 1, MaxValue = 10000000,
ExcludeRange = false)]
public long MaxUsers
{
get
{
return (long)this["maxUsers"];
}
set
{
this["maxUsers"] = value;
}
}
[ConfigurationProperty("maxIdleTime",
DefaultValue = "0:10:0",
IsRequired = false)]
[TimeSpanValidator(MinValueString = "0:0:30",
MaxValueString = "5:00:0",
ExcludeRange = false)]
public TimeSpan MaxIdleTime
{
get
{
return (TimeSpan)this["maxIdleTime"];
}
set
{
this["maxIdleTime"] = value;
}
}
}
// Define a custom section group.
public sealed class CustomSectionGroup :
ConfigurationSectionGroup
{
public CustomSectionGroup()
{
}
public CustomSection Custom
{
get { return (CustomSection)
Sections.Get("CustomSection");}
}
}
class UsingCustomSectionGroupCollection
{
// Create a custom section group.
static void CreateSectionGroup()
{
try
{
CustomSectionGroup customSectionGroup;
// Get the current configuration file.
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
// Create the section group entry
// in the <configSections> and the
// related target section in <configuration>.
if (config.SectionGroups["CustomGroup"] == null)
{
customSectionGroup = new CustomSectionGroup();
config.SectionGroups.Add("CustomGroup",
customSectionGroup);
customSectionGroup.ForceDeclaration(true);
config.Save(ConfigurationSaveMode.Full);
}
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
// Get the collection group keys i.e.,
// the group names.
//static void GetAllKeys()
//{
// try
// {
// System.Configuration.Configuration config =
// ConfigurationManager.OpenExeConfiguration(
// ConfigurationUserLevel.None);
// ConfigurationSectionGroupCollection groups =
// config.SectionGroups;
// groups.
// foreach (string name in groups.AllKeys)
// {
// Console.WriteLine(
// "Key value: {0}", name);
// }
// }
// catch (ConfigurationErrorsException err)
// {
// Console.WriteLine(err.ToString());
// }
//}
static void Clear()
{
try
{
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
config.SectionGroups.Clear();
config.Save(ConfigurationSaveMode.Full);
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
static void GetGroup()
{
try
{
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
ConfigurationSectionGroup customGroup =
config.SectionGroups.Get("CustomGroup");
if (customGroup == null)
Console.WriteLine(
"Failed to load CustomSection.");
else
{
// Display section information
Console.WriteLine("Section group name: {0}",
customGroup.SectionGroupName);
Console.WriteLine("Name: {0}",
customGroup.Name);
Console.WriteLine("Type: {0}",
customGroup.Type);
}
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
static void GetEnumerator()
{
try
{
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
ConfigurationSectionGroupCollection groups =
config.SectionGroups;
IEnumerator groupEnum =
groups.GetEnumerator();
int i = 0;
while (groupEnum.MoveNext())
{
string groupName = groups.GetKey(i);
Console.WriteLine(
"Group name: {0}", groupName);
i += 1;
}
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
// Get the collection keys i.e., the
// group names.
static void GetKeys()
{
try
{
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
ConfigurationSectionGroupCollection groups =
config.SectionGroups;
foreach (string key in groups.Keys)
{
Console.WriteLine(
"Key value: {0}", key);
}
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
static void GetItems()
{
try
{
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
ConfigurationSectionGroupCollection groups =
config.SectionGroups;
ConfigurationSectionGroup group1 =
groups.Get("system.net");
ConfigurationSectionGroup group2 =
groups.Get("system.web");
Console.WriteLine(
"Group1: {0}", group1.Name);
Console.WriteLine(
"Group2: {0}", group2.Name);
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
static void Remove()
{
try
{
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
ConfigurationSectionGroup customGroup =
config.SectionGroups.Get("CustomGroup");
if (customGroup != null)
{
config.SectionGroups.Remove("CustomGroup");
config.Save(ConfigurationSaveMode.Full);
}
else
Console.WriteLine(
"CustomGroup does not exists.");
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
// Add custom section to the group.
static void AddSection()
{
try
{
CustomSection customSection;
// Get the current configuration file.
System.Configuration.Configuration config =
ConfigurationManager.OpenExeConfiguration(
ConfigurationUserLevel.None);
// Create the section entry
// in the <configSections> and the
// related target section in <configuration>.
ConfigurationSectionGroup customGroup;
customGroup = config.SectionGroups.Get("CustomGroup");
if (customGroup.Sections.Get("CustomSection") == null)
{
customSection = new CustomSection();
customGroup.Sections.Add("CustomSection",
customSection);
customSection.SectionInformation.ForceSave = true;
config.Save(ConfigurationSaveMode.Full);
}
}
catch (ConfigurationErrorsException err)
{
Console.WriteLine(err.ToString());
}
}
// Exercise the collection.
// Uncomment the function you want to exercise.
// Start with CreateSectionGroup().
static void Main(string[] args)
{
CreateSectionGroup();
AddSection();
// GetAllKeys();
// GetGroup();
// GetEnumerator();
// GetKeys();
// GetItems();
// Remove();
// Clear();
}
}
}
Imports System.Configuration
Imports System.Collections
' Define a custom section.
NotInheritable Public Class CustomSection
Inherits ConfigurationSection
Public Sub New()
End Sub
<ConfigurationProperty("fileName", _
DefaultValue:="default.txt", _
IsRequired:=True, _
IsKey:=False), _
StringValidator( _
InvalidCharacters:=" ~!@#$%^&*()[]{}/;'""|\", _
MinLength:=1, _
MaxLength:=60)> _
Public Property FileName() As String
Get
Return CStr(Me("fileName"))
End Get
Set(ByVal value As String)
Me("fileName") = value
End Set
End Property
<ConfigurationProperty("maxUsers", _
DefaultValue:=10000, _
IsRequired:=False), _
LongValidator(MinValue:=1, _
MaxValue:=10000000, _
ExcludeRange:=False)> _
Public Property MaxUsers() As Long
Get
Return Fix(Me("maxUsers"))
End Get
Set(ByVal value As Long)
Me("maxUsers") = value
End Set
End Property
<ConfigurationProperty("maxIdleTime", _
DefaultValue:="0:10:0", _
IsRequired:=False), _
TimeSpanValidator(MinValueString:="0:0:30", _
MaxValueString:="5:00:0", _
ExcludeRange:=False)> _
Public Property MaxIdleTime() As TimeSpan
Get
Return CType(Me("maxIdleTime"), TimeSpan)
End Get
Set(ByVal value As TimeSpan)
Me("maxIdleTime") = value
End Set
End Property
End Class
' Define a custom section group.
NotInheritable Public Class CustomSectionGroup
Inherits ConfigurationSectionGroup
Public Sub New()
End Sub
Public ReadOnly Property Custom() As CustomSection
Get
Return CType(Sections.Get("CustomSection"), _
CustomSection)
End Get
End Property
End Class
Class UsingCustomSectionGroupCollection
' Create a custom section group.
Shared Sub CreateSectionGroup()
Try
Dim customSectionGroup As CustomSectionGroup
' Get the current configuration file.
Dim config As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
' Create the section group entry
' in the <configSections> and the
' related target section in <configuration>.
If config.SectionGroups("CustomGroup") Is Nothing Then
customSectionGroup = New CustomSectionGroup()
config.SectionGroups.Add("CustomGroup", customSectionGroup)
customSectionGroup.ForceDeclaration(True)
config.Save(ConfigurationSaveMode.Full)
End If
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
' Get the collection group keys i.e.,
' the group names.
'Shared Sub GetAllKeys()
' Try
' Dim config _
' As System.Configuration.Configuration = _
' ConfigurationManager.OpenExeConfiguration( _
' ConfigurationUserLevel.None)
' Dim groups _
' As ConfigurationSectionGroupCollection = _
' config.SectionGroups
' Dim name As String
' For Each name In groups.AllKeys
' Console.WriteLine("Key value: {0}", name)
' Next name
' Catch err As ConfigurationErrorsException
' Console.WriteLine(err.ToString())
' End Try
'End Sub
Shared Sub Clear()
Try
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
config.SectionGroups.Clear()
config.Save(ConfigurationSaveMode.Full)
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
Shared Sub GetGroup()
Try
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
Dim groups _
As ConfigurationSectionGroupCollection = _
config.SectionGroups
Dim customGroup _
As ConfigurationSectionGroup = _
groups.Get("CustomGroup")
If customGroup Is Nothing Then
Console.WriteLine( _
"Failed to load CustomGroup.")
Else
' Display section information
Console.WriteLine("Name: {0}", _
customGroup.Name)
Console.WriteLine("Type: {0}", _
customGroup.Type)
End If
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
Shared Sub GetEnumerator()
Try
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
Dim groups _
As ConfigurationSectionGroupCollection = _
config.SectionGroups
Dim groupEnum As IEnumerator = _
groups.GetEnumerator()
Dim i As Integer = 0
While groupEnum.MoveNext()
Dim groupName As String = groups.GetKey(i)
Console.WriteLine("Group name: {0}", groupName)
i += 1
End While
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
' Get the collection keys i.e., the
' group names.
Shared Sub GetKeys()
Try
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
Dim groups _
As ConfigurationSectionGroupCollection = _
config.SectionGroups
Dim key As String
For Each key In groups.Keys
Console.WriteLine("Key value: {0}", key)
Next key
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
Shared Sub GetItems()
Try
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
Dim groups _
As ConfigurationSectionGroupCollection = _
config.SectionGroups
Dim group1 As ConfigurationSectionGroup = _
groups.Get("system.net")
Dim group2 As ConfigurationSectionGroup = _
groups.Get("system.web")
Console.WriteLine("Group1: {0}", group1.Name)
Console.WriteLine("Group2: {0}", group2.Name)
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
Shared Sub Remove()
Try
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
Dim groups _
As ConfigurationSectionGroupCollection = _
config.SectionGroups
Dim customGroup _
As ConfigurationSectionGroup = groups.Get("CustomGroup")
If Not (customGroup Is Nothing) Then
config.SectionGroups.Remove("CustomGroup")
config.Save(ConfigurationSaveMode.Full)
Else
Console.WriteLine( _
"CustomGroup does not exists.")
End If
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
' Add custom section to the group.
Shared Sub AddSection()
Try
Dim customSection As CustomSection
' Get the current configuration file.
Dim config _
As System.Configuration.Configuration = _
ConfigurationManager.OpenExeConfiguration( _
ConfigurationUserLevel.None)
Dim groups _
As ConfigurationSectionGroupCollection = _
config.SectionGroups
' Create the section entry
' in the <configSections> and the
' related target section in <configuration>.
Dim customGroup As ConfigurationSectionGroup
customGroup = groups.Get("CustomGroup")
If customGroup.Sections.Get( _
"CustomSection") Is Nothing Then
customSection = New CustomSection()
customGroup.Sections.Add( _
"CustomSection", customSection)
customSection.SectionInformation.ForceSave = True
config.Save(ConfigurationSaveMode.Full)
End If
Catch err As ConfigurationErrorsException
Console.WriteLine(err.ToString())
End Try
End Sub
' Exercise the collection.
' Uncomment the function you want to exercise.
' Start with CreateSectionGroup().
Public Overloads Shared Sub Main(ByVal args() As String)
CreateSectionGroup()
AddSection()
' GetEnumerator();
' GetKeys();
' GetItems();
' Remove();
' Clear();
End Sub
End Class
次の例は、前の例で使用した構成ファイルの抜粋です。
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="CustomSection"
type="Samples.AspNet.Configuration.CustomSection, ConfigurationSectionCollection, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" allowDefinition="Everywhere" allowExeDefinition="MachineToApplication" restartOnExternalChanges="true" />
/configSections>
<CustomSection fileName="default.txt" maxUsers="1000"
maxIdleTime="00:05:00" />
</configuration>
注釈
クラスを ConfigurationSectionGroupCollection 使用して、 オブジェクトの ConfigurationSectionGroup コレクションを反復処理します。 このオブジェクトのコレクションには、 プロパティまたは プロパティをSectionGroupsSectionGroups使用してアクセスできます。
クラスは ConfigurationSectionGroupCollection 、 クラスを拡張するカスタム型の作成でも使用されます ConfigurationSectionGroup 。
プロパティ
| Count |
コレクション内のセクション グループの数を取得します。 |
| Count |
NameObjectCollectionBase インスタンスに格納されているキーと値のペアの数を取得します。 (継承元 NameObjectCollectionBase) |
| IsReadOnly |
NameObjectCollectionBase インスタンスが読み取り専用かどうかを示す値を取得または設定します。 (継承元 NameObjectCollectionBase) |
| Item[Int32] |
インデックスを指定した ConfigurationSectionGroup オブジェクトをコレクションから取得します。 |
| Item[String] |
名前を指定した ConfigurationSectionGroup オブジェクトをコレクションから取得します。 |
| Keys |
この ConfigurationSectionGroup オブジェクトに格納されているすべての ConfigurationSectionGroupCollection オブジェクトに対するキーを取得します。 |
| Keys |
NameObjectCollectionBase.KeysCollection インスタンスのすべてのキーを含んでいる NameObjectCollectionBase インスタンスを取得します。 (継承元 NameObjectCollectionBase) |
メソッド
明示的なインターフェイスの実装
| ICollection.CopyTo(Array, Int32) |
NameObjectCollectionBase 全体を互換性のある 1 次元の Array にコピーします。コピー操作は、コピー先の配列の指定したインデックスから始まります。 (継承元 NameObjectCollectionBase) |
| ICollection.IsSynchronized |
NameObjectCollectionBase オブジェクトへのアクセスが同期されている (スレッド セーフである) かどうかを示す値を取得します。 (継承元 NameObjectCollectionBase) |
| ICollection.SyncRoot |
NameObjectCollectionBase オブジェクトへのアクセスを同期するために使用できるオブジェクトを取得します。 (継承元 NameObjectCollectionBase) |
拡張メソッド
| Cast<TResult>(IEnumerable) |
IEnumerable の要素を、指定した型にキャストします。 |
| OfType<TResult>(IEnumerable) |
指定された型に基づいて IEnumerable の要素をフィルター処理します。 |
| AsParallel(IEnumerable) |
クエリの並列化を有効にします。 |
| AsQueryable(IEnumerable) |
IEnumerable を IQueryable に変換します。 |
適用対象
こちらもご覧ください
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