This documentation is archived and is not being maintained.

RuntimeArgument.IsRequired Property

Gets a value that indicates whether the RuntimeArgument is required to be bound to a value.

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

public bool IsRequired { get; private set; }

Property Value

Type: System.Boolean
true if the RuntimeArgument is required to be bound to a value; otherwise, false.

If an argument is required and not bound to a value a ValidationException is thrown when the containing activity is prepared for execution, unless overload groups are used and the required arguments of an overload group are bound. For more information, seeOverloadGroupNames.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

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.