/// <summary>
/// Restores the backup to the object.
/// </summary>
public void RestoreBackup()
{
Dictionary <string, object> oldPropertyValues = null;
using (var stream = new MemoryStream(_propertyValuesBackup))
{
#if NET
var serializer = SerializationHelper.GetBinarySerializer(false);
try
{
var deserializedStream = serializer.Deserialize(stream);
oldPropertyValues = _object.ConvertListToDictionary((List <PropertyValue>)deserializedStream);
}
catch (Exception ex)
{
Log.Warning(ex, "Failed to deserialize the data for backup, which is weird. Trying with redirects enabled");
stream.Position = 0L;
var binaryFormatterWithRedirects = SerializationHelper.GetBinarySerializer(true);
var deserializedStream = binaryFormatterWithRedirects.Deserialize(stream);
oldPropertyValues = _object.ConvertListToDictionary((List <PropertyValue>)deserializedStream);
}
#else
// Xml backup, create serializer without using the cache since the dictionary is used for every object, and
// we need a "this" object specific dictionary.
var serializer = SerializationHelper.GetDataContractSerializer(GetType(), typeof(List <PropertyValue>),
"backup", _knownTypesForDeserialization, false);
try
{
var deserializedStream = serializer.ReadObject(stream);
oldPropertyValues = _object.ConvertListToDictionary((List <PropertyValue>)deserializedStream);
}
catch (Exception ex)
{
Log.Error(ex, "Failed to deserialize the data for backup, which is weird. However, for Silverlight, WP7 and WinRT there is no other option");
}
#endif
}
foreach (KeyValuePair <string, object> propertyValue in oldPropertyValues)
{
// Set value so the PropertyChanged event is invoked
_object.SetValue(propertyValue.Key, propertyValue.Value);
}
_object.IsDirty = (bool)_objectValuesBackup[IsDirty];
}
