diff options
Diffstat (limited to 'src/mscorlib/shared/System/Runtime/Serialization/OptionalFieldAttribute.cs')
-rw-r--r-- | src/mscorlib/shared/System/Runtime/Serialization/OptionalFieldAttribute.cs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/Runtime/Serialization/OptionalFieldAttribute.cs b/src/mscorlib/shared/System/Runtime/Serialization/OptionalFieldAttribute.cs new file mode 100644 index 0000000000..84daa539be --- /dev/null +++ b/src/mscorlib/shared/System/Runtime/Serialization/OptionalFieldAttribute.cs @@ -0,0 +1,25 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +namespace System.Runtime.Serialization +{ + [AttributeUsage(AttributeTargets.Field, Inherited = false)] + public sealed class OptionalFieldAttribute : Attribute + { + private int _versionAdded = 1; + + public int VersionAdded + { + get { return _versionAdded; } + set + { + if (value < 1) + { + throw new ArgumentException(SR.Serialization_OptionalFieldVersionValue); + } + _versionAdded = value; + } + } + } +} |