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ActivityCondition Class

Represents an abstract class for an expression, which evaluates to a Boolean. This class must be inherited.

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

[BrowsableAttribute(true)]
[ActivityValidatorAttribute(typeof(ConditionValidator))]
public abstract class ActivityCondition : DependencyObject

A condition is an expression, which evaluates to a Boolean value.

Windows Workflow Foundation offers two condition types: CodeCondition and RuleConditionReference.

You can create a custom condition type by deriving from this class and implementing the Evaluate method.

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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