本文整理汇总了VB.NET中System.Configuration.ConfigurationSectionGroupCollection类的典型用法代码示例。如果您正苦于以下问题:VB.NET ConfigurationSectionGroupCollection类的具体用法?VB.NET ConfigurationSectionGroupCollection怎么用?VB.NET ConfigurationSectionGroupCollection使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ConfigurationSectionGroupCollection类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: UsingCustomSectionGroupCollection
' 导入命名空间
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