AddressHeader.Value Property
The Value property returns a null reference (Nothing in Visual Basic). Use GetEnumerator to iterate over the address items in this AddressHeader object.
Namespace:  Microsoft.Exchange.Data.Mime
Assembly:  Microsoft.Exchange.Data.Common (in Microsoft.Exchange.Data.Common.dll)
Syntax
'Declaration
Public Overrides NotOverridable Property Value As String
    Get
    Set
'Usage
Dim instance As AddressHeader
Dim value As String
value = instance.Value
instance.Value = value
public override sealed string Value { get; set; }
Property Value
Type: System.String