Argument Class (System.Activities)

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Classic
Lightweight
ScriptFree
.NET Framework Class Library
Argument Class

The abstract base class that represents a binding terminal that supports the flow of data into and out of an activity.

Inheritance Hierarchy
System.Object
  System.Activities.Argument
    System.Activities.InArgument
    System.Activities.InOutArgument
    System.Activities.OutArgument

Namespace:  System.Activities
Assembly:  System.Activities (in System.Activities.dll)
Syntax
Visual Basic
Public MustInherit Class Argument
C#
public abstract class Argument
Visual C++
public ref class Argument abstract
F#
[<AbstractClass>]
type Argument =  class end

The Argument type exposes the following members.

Properties
  Name Description
Public property ArgumentType Gets the data type for the data bound to this Argument.
Public property Direction Gets an ArgumentDirection that specifies whether the Argument represents the flow of data into an activity, out of an activity, or both into and out of an activity.
Public property EvaluationOrder Gets or sets a zero-based value that specifies the order in which the argument is evaluated.
Public property Expression Gets or sets an ActivityWithResult that represents the value of the data bound to this Argument.
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Methods
  Name Description
Public method Static member Create Initializes and returns a new Argument.
Public method Static member CreateReference Creates a new argument that references the specified target argument using the specified referenced argument name.
Public method Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method Get(ActivityContext) Gets the value of the argument using the specified activity context.
Public method Get<T>(ActivityContext) Gets the value of the argument using the specified type and activity context.
Public method GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public method GetLocation Gets the Location for this Argument.
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method Set Sets the value of the argument using the specified activity context.
Public method ToString Returns a string that represents the current object. (Inherited from Object.)
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Fields
  Name Description
Public field Static member ResultValue Represents the constant value of “Result”, which corresponds to the name of the Result property of type OutArgument in the expression base class ActivityWithResult.
Public field Static member UnspecifiedEvaluationOrder Represents the value of the EvaluationOrder property for an argument with an unspecified evaluation order. This value is read-only.
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Version Information

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4
Platforms

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

Reference

System.Activities Namespace