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OrElse Class

.NET Framework 4.5

.NET Framework 4

Computes the logical OR of two values. To do this, both operands are evaluated to boolean values. If both operands are false then the expression returns false. If one or both operands evaluate to true, the expression returns true.

Inheritance Hierarchy

System.Object
  System.Activities.Activity
    System.Activities.ActivityWithResult
      System.Activities.Activity(Of Boolean)
        System.Activities.Expressions.OrElse

Namespace: System.Activities.Expressions
Assembly: System.Activities (in System.Activities.dll)

Syntax

C++

'Declaration
Public NotInheritable Class OrElse _
	Inherits Activity(Of Boolean)

The OrElse type exposes the following members.

Constructors

	Name	Description
	OrElse	Initializes a new instance of the OrElse class.

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Properties

	Name	Description
	CacheId	Gets the identifier of the cache that is unique within the scope of the workflow definition. (Inherited from Activity.)
	DisplayName	Gets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking. (Inherited from Activity.)
	Id	Gets an identifier that is unique in the scope of the workflow definition. (Inherited from Activity.)
	ImplementationVersion	Gets or sets the version of the implementation used. (Inherited from Activity.)
	Left	Gets or sets the left operand.
	Result	Gets or sets the result argument for the Activity(Of TResult). (Inherited from Activity(Of TResult).)
	ResultType	When implemented in a derived class, gets the type of an activity OutArgument. (Inherited from ActivityWithResult.)
	Right	Gets or sets the right operand.

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Methods

	Name	Description
	Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	ShouldSerializeDisplayName	Indicates whether the DisplayName property should be serialized. (Inherited from Activity.)
	ToString	Returns a String that contains the Id and DisplayName of the Activity. (Inherited from Activity.)

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Version Information

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Platforms

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.

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.

Reference

System.Activities.Expressions Namespace

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