private void OnSetKeyValue(ExtendedPropertyInfo extendedProperty, object extendee, object value)
{
if (extendee != null && value != null && !this.keylookupDictionary.Contains(value))
{
this.keylookupDictionary.Add(value, extendee);
}
}
private object OnGetKeyValue(ExtendedPropertyInfo extendedProperty, object extendee)
{
DictionaryEntry?entry = null;
if (extendedProperty.SerializationManager.WorkflowMarkupStack[typeof(DictionaryEntry)] != null)
{
entry = (DictionaryEntry)extendedProperty.SerializationManager.WorkflowMarkupStack[typeof(DictionaryEntry)];
}
else
{
Debug.Assert(false, "Dictionary Entry not found in the WorkflowMarkupStack");
}
if (entry.HasValue && entry.Value.Value == extendee)
{
return(entry.Value.Key);
}
return(null);
}
internal static bool IsExtendedProperty(WorkflowMarkupSerializationManager manager, IList <PropertyInfo> propInfos, XmlQualifiedName xmlQualifiedName)
{
foreach (PropertyInfo propInfo in propInfos)
{
ExtendedPropertyInfo extendedProperty = propInfo as ExtendedPropertyInfo;
if (extendedProperty == null)
{
continue;
}
string prefix = String.Empty;
XmlQualifiedName qualifiedPropertyName = extendedProperty.GetXmlQualifiedName(manager, out prefix);
if (qualifiedPropertyName.Name.Equals(xmlQualifiedName.Name, StringComparison.Ordinal) &&
qualifiedPropertyName.Namespace.Equals(xmlQualifiedName.Namespace, StringComparison.Ordinal))
{
return(true);
}
}
return(false);
}
internal override ExtendedPropertyInfo[] GetExtendedProperties(WorkflowMarkupSerializationManager manager, object extendee)
{
List <ExtendedPropertyInfo> extendedProperties = new List <ExtendedPropertyInfo>();
DictionaryEntry? entry = null;
if (manager.WorkflowMarkupStack[typeof(DictionaryEntry)] != null)
{
entry = (DictionaryEntry)manager.WorkflowMarkupStack[typeof(DictionaryEntry)];
}
if (this.deserializingDictionary || (entry.HasValue && entry.Value.Value == extendee))
{
ExtendedPropertyInfo extendedProperty =
new ExtendedPropertyInfo(typeof(DictionaryEntry).GetProperty("Key", BindingFlags.Public | BindingFlags.Instance),
new GetValueHandler(OnGetKeyValue),
new SetValueHandler(OnSetKeyValue),
new GetQualifiedNameHandler(OnGetXmlQualifiedName), manager);
extendedProperties.Add(extendedProperty);
}
return(extendedProperties.ToArray());
}
private XmlQualifiedName OnGetXmlQualifiedName(ExtendedPropertyInfo extendedProperty, WorkflowMarkupSerializationManager manager, out string prefix)
{
prefix = StandardXomlKeys.Definitions_XmlNs_Prefix;
return(new XmlQualifiedName(extendedProperty.Name, StandardXomlKeys.Definitions_XmlNs));
}