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RuleExpressionCondition.Validate Method

Verifies that the expression is configured correctly and has no errors.

Namespace:  System.Workflow.Activities.Rules
Assembly:  System.Workflow.Activities (in System.Workflow.Activities.dll)
public override bool Validate(
	RuleValidation validation


Type: System.Workflow.Activities.Rules.RuleValidation

The RuleValidation to manage the validation process.

Return Value

Type: System.Boolean
true if the expression has no errors; otherwise, false.

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

If the RuleExpressionCondition contains errors (the Validate method returns false), then RuleValidation.Errors will contain the list of errors encountered.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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