83 lines
2.9 KiB
C#
83 lines
2.9 KiB
C#
namespace System.Workflow.ComponentModel.Serialization
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{
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using System;
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using System.Xml;
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using System.Runtime.Serialization;
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using System.Reflection;
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using System.IO;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Collections;
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using System.Collections.Generic;
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#region DependencyStoreSurrogate
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internal sealed class DependencyStoreSurrogate : ISerializationSurrogate
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{
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internal DependencyStoreSurrogate() { }
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void ISerializationSurrogate.GetObjectData(object obj, SerializationInfo info, StreamingContext context)
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{
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IDictionary<DependencyProperty, object> store = obj as IDictionary<DependencyProperty, object>;
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if (store == null)
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throw new ArgumentException("obj");
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ArrayList properties = new ArrayList();
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ArrayList values = new ArrayList();
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foreach (KeyValuePair<DependencyProperty, object> kvp in store)
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{
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if (!kvp.Key.DefaultMetadata.IsNonSerialized)
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{
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if (kvp.Key.IsKnown)
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properties.Add(kvp.Key.KnownIndex);
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else
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properties.Add(kvp.Key);
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values.Add(kvp.Value);
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}
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}
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info.AddValue("keys", properties.ToArray());
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info.AddValue("values", values.ToArray());
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info.SetType(typeof(DependencyStoreRef));
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}
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object ISerializationSurrogate.SetObjectData(object obj, SerializationInfo info, StreamingContext context, ISurrogateSelector selector)
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{
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return null;
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}
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#region DependencyStoreRef
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[Serializable]
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private sealed class DependencyStoreRef : IObjectReference, IDeserializationCallback
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{
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private IList keys = null;
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private IList values = null;
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[NonSerialized]
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private IDictionary<DependencyProperty, object> store = null;
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Object IObjectReference.GetRealObject(StreamingContext context)
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{
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if (this.store == null)
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this.store = new Dictionary<DependencyProperty, object>();
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return this.store;
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}
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void IDeserializationCallback.OnDeserialization(Object sender)
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{
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if (this.store != null)
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{
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for (int index = 0; index < this.keys.Count; index++)
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{
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DependencyProperty dp = this.keys[index] as DependencyProperty;
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if (dp == null)
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dp = DependencyProperty.FromKnown((byte)this.keys[index]);
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this.store.Add(dp, this.values[index]);
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}
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}
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this.store = null;
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}
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}
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#endregion
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}
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#endregion
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}
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