remove warning

[mono.git] / mcs / class / corlib / System / OperatingSystem.cs

diff --git a/mcs/class/corlib/System/OperatingSystem.cs b/mcs/class/corlib/System/OperatingSystem.cs
index 37ff62e43a49aa263c3b27f45a4357ace9977fb9..1684631210e75dd000a3302b8b664c75d595f443 100644 (file)
--- a/mcs/class/corlib/System/OperatingSystem.cs
+++ b/mcs/class/corlib/System/OperatingSystem.cs
@@ -28,6 +28,7 @@
 //
 
 using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
 
 namespace System {
 
@@ -36,9 +37,15 @@ namespace System {
 #endif
        [Serializable]
        public sealed class OperatingSystem : ICloneable
+#if NET_2_0
+               , ISerializable
+#endif
        {
                private System.PlatformID _platform;
                private Version _version;
+#if NET_2_0
+               private string _servicePack = String.Empty;
+#endif
 
                public OperatingSystem (PlatformID platform, Version version)
                {
@@ -64,7 +71,7 @@ namespace System {
 
 #if NET_2_0
                public string ServicePack {
-                       get { return String.Empty; }
+                       get { return _servicePack; }
                }
 
                public string VersionString {
@@ -77,6 +84,15 @@ namespace System {
                        return new OperatingSystem (_platform, _version);
                }
 
+#if NET_2_0
+               public void GetObjectData (SerializationInfo info, StreamingContext context)
+               {
+                       info.AddValue ("_platform", _platform);
+                       info.AddValue ("_version", _version);
+                       info.AddValue ("_servicePack", _servicePack);
+               }
+#endif
+
                public override string ToString ()
                {
                        string str;