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RuleExpressionCondition Class

Defines the condition definition behind a RuleConditionReference. This class cannot be inherited.

Namespace:  System.Workflow.Activities.Rules
Assembly:  System.Workflow.Activities (in System.Workflow.Activities.dll)

public sealed class RuleExpressionCondition : RuleCondition

The RuleExpressionCondition class defines the base conditions evaluated when a RuleSet is executed.

This condition type is modeled with CodeDom types. For more information about CodeDom types, see CodeDOM Types Supported by Windows Workflow Foundation.


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