// Methods
public virtual void AddSurrogate (Type type,
StreamingContext context, ISerializationSurrogate surrogate)
{
if (type == null || surrogate == null)
throw new ArgumentNullException ("Null reference.");
string currentKey = type.FullName + "#" + context.ToString ();
if (Surrogates.ContainsKey (currentKey))
throw new ArgumentException ("A surrogate for " + type.FullName + " already exists.");
Surrogates.Add (currentKey, surrogate);
}
public virtual ISerializationSurrogate GetSurrogate (Type type,
StreamingContext context, out ISurrogateSelector selector)
{
if (type == null)
throw new ArgumentNullException ("type is null.");
// Check this selector, and if the surrogate is not found,
// check the chained selectors
string key = type.FullName + "#" + context.ToString ();
ISerializationSurrogate surrogate = (ISerializationSurrogate) Surrogates [key];
if (surrogate != null) {
selector = this;
return surrogate;
}
if (nextSelector != null)
return nextSelector.GetSurrogate (type, context, out selector);
else {
selector = null;
return null;
}
}
public virtual void RemoveSurrogate (Type type, StreamingContext context)
{
if (type == null)
throw new ArgumentNullException ("type is null.");
string key = type.FullName + "#" + context.ToString ();
Surrogates.Remove (key);
}
