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RuleExpressionWalker Class

Propagates the current behavior in the expression to child nodes. This class cannot be inherited.


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

public static class RuleExpressionWalker

The RuleExpressionWalker type exposes the following members.

Public methodStatic memberAnalyzeUsageIdentifies the fields and properties used by an expression and adds these as symbols to the RuleAnalysis instance.
Public methodStatic memberCloneCreates a deep copy of the child nodes of the current CodeExpression.
Public methodStatic memberDecompileDecompiles the child nodes of the expression into string form.
Public methodStatic memberEvaluateEvaluates the expression and all child expressions.
Public methodStatic memberMatchCompares the current expression and child nodes to another expression to determine whether they are equal.
Public methodStatic memberValidateVerifies that the expression and child nodes are configured correctly and has no errors.

This class is used by all IRuleExpression methods to propagate behavior to child nodes.

.NET Framework

Supported in: 4, 3.5, 3.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.

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