Provides a mandatory base class for all activity designer components.
Assembly: System.Workflow.ComponentModel (in System.Workflow.ComponentModel.dll)
All activity designer components derive from . The provides a simple designer which lets the user visually design activities in the design mode.
provides a simple mechanism for the activities so they can participate in rendering the workflow on the design surface.
lets the user customize layout and drawing associated with the activity.
lets the user extend the metadata associated with the activity.
The following example shows a complete implementation of an for a custom activity. The designer has a flag that can be toggled to allow the base class to control the painting or to utilize the various methods the ActivityDesignerPaint class to draw the activity.
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.