复现步骤:
首先,有一个名为“Item”的类:
public class Item
{
public Item() {}
// Generates some random data for the collection
private MyCollectionType GenerateContent()
{
Random ranGen = new Random();
MyCollectionType collection = new MyCollectionType();
for (int i = 0; i < 5; i ++)
{
collection.Add("Item" + ranGen.Next(0,101));
}
return collection;
}
public MyCollectionType Items
{
get
{
if (m_Items == null)
{
m_Items = GenerateContent();
}
return m_Items;
}
}
private MyCollectionType m_Items = null;
}
接下来创建一个集合类"MyCollectionType"(注意,在这个片段中,故意省略了IXmlSerializable):
public class MyCollectionType : BindingList<string>
{
public MyCollectionType()
{
this.ListChanged += MyCollectionType_ListChanged;
}
void MyCollectionType_ListChanged(object sender, ListChangedEventArgs e){ }
public MyCollectionType(ICollection<string> p)
{
this.ListChanged += MyCollectionType_ListChanged;
}
#region Implementation of IXmlSerializable
public void WriteXml(XmlWriter writer)
{
throw new NotImplementedException();
}
public void ReadXml(XmlReader reader)
{
throw new NotImplementedException();
}
public XmlSchema GetSchema() { return null; }
#endregion
}
最后,在Main()中添加一些代码来对“Item”进行序列化和反序列化:
Item myItem = new Item();
Item newItem = null;
// Define an XmlSerializer
XmlSerializer ser = new XmlSerializer(typeof(Item));
// Serialize the Object
using (TextWriter writer = File.CreateText(@"c:\temporary\exportedfromtest.xml"))
{
ser.Serialize(writer,myItem);
}
// Deserialize it
using (Stream reader = new FileStream(@"c:\temporary\exportedfromtest.xml", FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (XmlDictionaryReader xmlDictionaryReader = XmlDictionaryReader.CreateTextReader(reader, XmlDictionaryReaderQuotas.Max))
{
newItem = (Item)ser.Deserialize(xmlDictionaryReader);
}
}
因此,如果您直接运行该程序,您应该会看到它在没有Setter的情况下进行序列化和反序列化。当前,上面的代码片段未列出“IXmlSerializable”集合,但是方法已经存在。因此,现在您需要返回并将“IXmlSerializable”添加到“MyCollectionType”类中,然后再次运行,您将注意到集合属性未被序列化,并且WriteXml()和ReadXml()方法也不会被调用。还要注意,如果您添加一个空的Setter,那么这些方法将会突然被调用。