OptionalAttribute Class
.NET Framework 2.0
Indicates that a parameter is optional.
Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
'Declaration <AttributeUsageAttribute(AttributeTargets.Parameter, Inherited:=False)> _ <ComVisibleAttribute(True)> _ Public NotInheritable Class OptionalAttribute Inherits Attribute 'Usage Dim instance As OptionalAttribute
/** @attribute AttributeUsageAttribute(AttributeTargets.Parameter, Inherited=false) */ /** @attribute ComVisibleAttribute(true) */ public final class OptionalAttribute extends Attribute
AttributeUsageAttribute(AttributeTargets.Parameter, Inherited=false) ComVisibleAttribute(true) public final class OptionalAttribute extends Attribute
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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