Skip to main content
.NET Framework Class Library
AttachmentBase..::.ContentId Property

Gets or sets the MIME content ID for this attachment.

Namespace: System.Net.Mail
Assembly: System (in System.dll)
Syntax
Public Property ContentId As String
	Get
	Set
public string ContentId { get; set; }
public:
property String^ ContentId {
	String^ get ();
	void set (String^ value);
}
member ContentId : string with get, set

Property Value

Type: System..::.String
A String holding the content ID.
Exceptions
ExceptionCondition
ArgumentNullException

Attempted to set ContentId to nullNothingnullptra null reference (Nothing in Visual Basic).

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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