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ActivityDesigner Class

Provides a mandatory base class for all activity designer components.

Namespace:  System.Workflow.ComponentModel.Design
Assembly:  System.Workflow.ComponentModel (in System.Workflow.ComponentModel.dll)

public class ActivityDesigner implements IDesignerFilter, IToolboxUser, IPersistUIState, IWorkflowRootDesigner, IRootDesigner, IDesigner, IDisposable

All activity designer components derive from ActivityDesigner. The ActivityDesigner provides a simple designer which lets the user visually design activities in the design mode.

ActivityDesigner provides a simple mechanism for the activities so they can participate in rendering the workflow on the design surface.

ActivityDesigner lets the user customize layout and drawing associated with the activity.

ActivityDesigner lets the user extend the metadata associated with the activity.

The following example shows a complete implementation of an ActivityDesigner for a custom activity. The designer has a flag that can be toggled to allow the base class ActivityDesigner to control the painting or to utilize the various methods the ActivityDesignerPaint class to draw the activity.

No code example is currently available or this language may not be supported.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

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

.NET Framework

Supported in: 3.5, 3.0

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