Switch.GetSupportedAttributes Method

protected:
 virtual cli::array <System::String ^> ^ GetSupportedAttributes();

protected public:
 virtual cli::array <System::String ^> ^ GetSupportedAttributes();

protected virtual string[]? GetSupportedAttributes();

protected virtual string[] GetSupportedAttributes();

protected internal virtual string[] GetSupportedAttributes();

abstract member GetSupportedAttributes : unit -> string[]
override this.GetSupportedAttributes : unit -> string[]

Protected Overridable Function GetSupportedAttributes () As String()

Protected Friend Overridable Function GetSupportedAttributes () As String()

A string array that contains the names of the custom attributes supported by the switch, or null if there no custom attributes are supported.

The following code sample shows an override of the GetSupportedAttributes method for a custom switch.

public class MySourceSwitch : SourceSwitch
{
    int sourceAttribute = 0;
    public MySourceSwitch(string n) : base(n) { }
    public int CustomSourceSwitchAttribute
    {
        get
        {
            foreach (DictionaryEntry de in this.Attributes)
                if (de.Key.ToString().ToLower() == "customsourceswitchattribute")
                    sourceAttribute = (int)de.Value;
            return sourceAttribute;
        }
        set { sourceAttribute = (int)value; }
    }

    protected override string[] GetSupportedAttributes()
    {
        return new string[] { "customsourceSwitchattribute" };
    }
}

Public Class MySourceSwitch
    Inherits SourceSwitch
    Private sourceAttribute As Integer = 0

    Public Sub New(ByVal n As String)
        MyBase.New(n)

    End Sub

    Public Property CustomSourceSwitchAttribute() As Integer
        Get
            Dim de As DictionaryEntry
            For Each de In Me.Attributes
                If de.Key.ToString().ToLower() = "customsourceswitchattribute" Then
                    sourceAttribute = Fix(de.Value)
                End If
            Next de
            Return sourceAttribute
        End Get
        Set(ByVal value As Integer)
            sourceAttribute = Fix(Value)
        End Set
    End Property

    Protected Overrides Function GetSupportedAttributes() As String()
        Return New String() {"customsourceSwitchattribute"}

    End Function 'GetSupportedAttributes
End Class

The default implementation for the GetSupportedAttributes method returns null. If a switch is added in a configuration file and custom attributes are specified that are not included in the string array returned by GetSupportedAttributes, a ConfigurationException is thrown when the switch is loaded.

When inheriting from the Switch class or a derived class, you can override the GetSupportedAttributes() method to provide custom attributes for your class.