a null reference (Nothing in Visual Basic) if no Content-ID header field was present in the message.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Public ReadOnly Property ContentId As String | |
| C# | |
|---|---|
public string ContentId {get;} | |
Requirements
Target Platforms: Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7