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Activity.TrackData Method (String, Object)

Informs the run-time tracking infrastructure of pending tracking information.

Namespace: System.Workflow.ComponentModel
Assembly: System.Workflow.ComponentModel (in system.workflow.componentmodel.dll)

protected void TrackData (
	string userDataKey,
	Object userData
protected void TrackData (
	String userDataKey, 
	Object userData
protected function TrackData (
	userDataKey : String, 
	userData : Object
Not applicable.



The key to the user data that has changed.


Object that contains the tracking information.

Exception typeCondition


userData is a null reference (Nothing in Visual Basic).

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0