OverloadGroupAttribute Class
 

Provides a method for indicating which combinations of arguments are valid in an activity.

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

SystemObject
   SystemAttribute
    System.ActivitiesOverloadGroupAttribute

[AttributeUsageAttribute(AttributeTargets.Property, AllowMultiple = true)]
public sealed class OverloadGroupAttribute : Attribute
[AttributeUsageAttribute(AttributeTargets::Property, AllowMultiple = true)]
public ref class OverloadGroupAttribute sealed : Attribute
[<Sealed>]
[<AttributeUsageAttribute(AttributeTargets.Property, AllowMultiple = true)>]
type OverloadGroupAttribute = 
    class
        inherit Attribute
    end
<AttributeUsageAttribute(AttributeTargets.Property, AllowMultiple := True)>
Public NotInheritable Class OverloadGroupAttribute
	Inherits Attribute
NameDescription
System_CAPS_pubmethod OverloadGroupAttribute

Initializes a new instance of the OverloadGroupAttribute class.

System_CAPS_pubmethod OverloadGroupAttribute

Initializes a new instance of the OverloadGroupAttribute class.

NameDescription
System_CAPS_pubproperty

Gets the name of the OverloadGroupAttribute.

System_CAPS_pubproperty

Gets a unique identifier for this attribute.(Overrides .)

NameDescription
System_CAPS_pubmethod Equals

This API supports the product infrastructure and is not intended to be used directly from your code. Returns a value that indicates whether this instance is equal to a specified object.(Inherited from Attribute.)

System_CAPS_pubmethod GetHashCode

Returns the hash code for this instance.(Inherited from Attribute.)

System_CAPS_pubmethod GetType

Gets the Type of the current instance.(Inherited from Object.)

System_CAPS_pubmethod IsDefaultAttribute

When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.(Inherited from Attribute.)

System_CAPS_pubmethod Match

When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.(Inherited from Attribute.)

System_CAPS_pubmethod ToString

Returns a string that represents the current object.(Inherited from Object.)

NameDescription
System_CAPS_pubinterface System_CAPS_privmethod _AttributeGetIDsOfNames

Maps a set of names to a corresponding set of dispatch identifiers.(Inherited from Attribute.)

System_CAPS_pubinterface System_CAPS_privmethod _AttributeGetTypeInfo

Retrieves the type information for an object, which can be used to get the type information for an interface.(Inherited from Attribute.)

System_CAPS_pubinterface System_CAPS_privmethod _AttributeGetTypeInfoCount

Retrieves the number of type information interfaces that an object provides (either 0 or 1).(Inherited from Attribute.)

System_CAPS_pubinterface System_CAPS_privmethod _AttributeInvoke

Provides access to properties and methods exposed by an object.(Inherited from Attribute.)

Arguments can be grouped together to form valid overload groups. An overload group cannot be a subset or an equivalent set of another overload group. The only exception to this rule is a subset that contains only arguments where is false. Overload groups can overlap but it is an error if the intersection of the groups contains all the required arguments of one or both the overload groups.

An overload group is considered bound if all the arguments in the group are bound. If a group has zero arguments and at least one argument bound, then the group is considered bound. It is an error if none of the groups are bound unless one overload group has no arguments in it. Binding arguments from more than one overload group is not permitted. It is an error to have more than one overload group bound, that is, all required arguments in one overload group are bound and any argument in another overload group is also bound.

Any violation of the preceding rules results in a InvalidWorkflowException being thrown when the containing activity is prepared for execution.

The is set to true if the System.ActivitiesRequiredArgumentAttribute is applied to an argument.

.NET Framework
Available since 4.0

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

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