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ConfigurationElement.LockAllAttributesExcept Property

Gets the collection of locked attributes.

Namespace:  System.Configuration
Assembly:  System.Configuration (in System.Configuration.dll)

Public ReadOnly Property LockAllAttributesExcept As ConfigurationLockCollection

Property Value

Type: System.Configuration.ConfigurationLockCollection
The ConfigurationLockCollection of locked attributes (properties) for the element.

The LockAllAttributesExcept property allows you to lock all the attributes at once, with the exception of the one you specify. To do that, you use the Contains method, as explained in the Example section.


The LockAllAttributesExcept property allows you to prevent the child configuration elements of the element to which you apply the rule from being modified. Use the LockItem property if you want to put a general lock on the parent element itself and its child elements.

Notes to Implementers

If you use the LockAllAttributesExcept and LockAttributes properties at the same time, the most restrictive rule applies.

The following example shows how to use the LockAllAttributesExcept.

    ' Show how to use LockAllAttributesExcept. 
    ' It locks and unlocks all urls elements  
    ' except the port. 
    Shared Sub LockAllAttributesExcept()

            ' Get the current configuration file. 
            Dim config _
            As System.Configuration.Configuration = _
            ConfigurationManager.OpenExeConfiguration( _

            ' Get the MyUrls section. 
            Dim myUrlsSection As UrlsSection = _

            If myUrlsSection Is Nothing Then
                Console.WriteLine("Failed to load UrlsSection.")

                Dim elemEnum As IEnumerator = _

                Dim i As Integer = 0
                While elemEnum.MoveNext()

                    ' Get current element. 
                    Dim element _
                    As ConfigurationElement = _

                    ' Get current element lock all attributes. 
                    Dim lockAllAttributesExcept _
                    As ConfigurationLockCollection = _

                    ' Add or remove the lock on all attributes  
                    ' except port. 
                    If lockAllAttributesExcept.Contains("port") Then
                    End If 

                    Dim lockedAttributes As String = _

                    Console.WriteLine("Element {0} Locked attributes list: {1}", _
                    i.ToString(), lockedAttributes)

                    i += 1

                End While 
            End If 

        Catch e As ConfigurationErrorsException
            Console.WriteLine("[LockAllAttributesExcept: {0}]", _
        End Try 

    End Sub 'LockAllAttributesExcept

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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