<appSettings>

<configuration>
        <appSettings>
		<add key="TempDir" value="~/temp"/>
	</appSettings>
 
	<system.web>
...
</configuration>

Imports Microsoft.VisualBasic
Imports System.Web.Configuration.WebConfigurationManager
 
Public Class Config
 
    Public Shared ReadOnly Property TempDir() As String
        <DebuggerStepThrough()> Get
            Return AppSettings("TempDir")
        End Get
    End Property
 
End Class