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C# SerializableDictionary
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| using System; | |
| using System.Collections.Generic; | |
| using System.Xml; | |
| using System.Xml.Schema; | |
| using System.Xml.Serialization; | |
| /// <summary> | |
| /// Base on https://weblogs.asp.net/pwelter34/444961 | |
| /// </summary> | |
| /// <typeparam name="TKey"></typeparam> | |
| /// <typeparam name="TValue"></typeparam> | |
| [XmlRoot("dictionary")] | |
| public class SerializableDictionary<TKey, TValue> : Dictionary<TKey, TValue>, IXmlSerializable | |
| { | |
| // XmlSerializer.Deserialize() will create a new Object, and then call ReadXml() | |
| // So cannot use instance field, use class field. | |
| public static string itemTag = "item"; | |
| public static string keyTag = "key"; | |
| public static string valueTag = "value"; | |
| public XmlSchema GetSchema() | |
| { | |
| return null; | |
| } | |
| public void ReadXml(XmlReader reader) | |
| { | |
| if (reader.IsEmptyElement) | |
| return; | |
| var keySerializer = new XmlSerializer(typeof(TKey)); | |
| var valueSerializer = new XmlSerializer(typeof(TValue)); | |
| reader.ReadStartElement(); | |
| // IsStartElement() will call MoveToContent() | |
| // reader.MoveToContent(); | |
| while (reader.IsStartElement(itemTag)) | |
| { | |
| reader.ReadStartElement(itemTag); | |
| reader.ReadStartElement(keyTag); | |
| TKey key = (TKey)keySerializer.Deserialize(reader); | |
| reader.ReadEndElement(); | |
| reader.ReadStartElement(valueTag); | |
| TValue value = (TValue)valueSerializer.Deserialize(reader); | |
| reader.ReadEndElement(); | |
| reader.ReadEndElement(); | |
| this.Add(key, value); | |
| // IsStartElement() will call MoveToContent() | |
| // reader.MoveToContent(); | |
| } | |
| reader.ReadEndElement(); | |
| } | |
| public void WriteXml(XmlWriter writer) | |
| { | |
| var keySerializer = new XmlSerializer(typeof(TKey)); | |
| var valueSerializer = new XmlSerializer(typeof(TValue)); | |
| foreach (var kvp in this) | |
| { | |
| writer.WriteStartElement(itemTag); | |
| writer.WriteStartElement(keyTag); | |
| keySerializer.Serialize(writer, kvp.Key); | |
| writer.WriteEndElement(); | |
| writer.WriteStartElement(valueTag); | |
| valueSerializer.Serialize(writer, kvp.Value); | |
| writer.WriteEndElement(); | |
| writer.WriteEndElement(); | |
| } | |
| } | |
| } |
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| using System; | |
| using System.IO; | |
| using System.Xml.Serialization; | |
| //[XmlRoot("AnimalDictionary")] | |
| public class SDict : SerializableDictionary<string, string> | |
| { | |
| } | |
| namespace Test | |
| { | |
| public class Program | |
| { | |
| static void Main(string[] args) | |
| { | |
| var dict = new SDict(); | |
| //SDict.itemTag = "AnimalCount"; | |
| //SDict.keyTag = "Type"; | |
| //SDict.valueTag = "Count"; | |
| dict.Add("Cat", "1"); | |
| dict.Add("Dog", "2"); | |
| foreach (var kvp in dict) | |
| Console.WriteLine(kvp); | |
| XmlSerializer serializer = new XmlSerializer(typeof(SDict)); | |
| using (var writer = new StreamWriter("dict.xml")) | |
| { | |
| serializer.Serialize(writer, dict); | |
| } | |
| Console.WriteLine("\nXML File:"); | |
| Console.WriteLine(File.ReadAllText("dict.xml")); | |
| using (var reader = new StreamReader("dict.xml")) | |
| { | |
| dict = serializer.Deserialize(reader) as SDict; | |
| } | |
| Console.WriteLine("\nAfter Deserialize"); | |
| foreach (var kvp in dict) | |
| Console.WriteLine(kvp); | |
| Console.ReadLine(); | |
| } | |
| } | |
| } |
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Thanks so much for this, dropped in and just worked perfectly for my need 🎉