我有一个需要写入 XML 文件的字典对象。 该字典包含作为键的字符串类型和作为值的自定义类的对象(派生自 System.Windows.Forms.Control )。

namespace SharpFormEditorDemo
{
    [Serializable]
    public static class common
    {

    public static Dictionary<String,CommonControl > dicControls = new Dictionary<string, CommonControl>();

    public static Object objSelected = new Object();
    public static int ctrlId = 0;

    //The serialization and Deserialization methods.
    public static void Serialize(XmlTextWriter xmlTextWriter,Dictionary<String,CommonControl> dic)
    {
        xmlTextWriter.WriteStartDocument();
        ControlSerializer file = new ControlSerializer(dic);
        XmlSerializer xmlSerializer = new XmlSerializer(typeof(ControlSerializer));
        xmlSerializer.Serialize(xmlTextWriter, file);

        xmlTextWriter.WriteEndDocument();
    }
}

类CommonControl是这样的

namespace SharpFormEditorDemo
{

public class CommonControl : System.Windows.Forms.Control 
{

    //private List<String> controls;
    private String sql;
    private int minVal; //Minimum value for a field
    private int maxVal; //Maximum value for a field
    private string displayValue; //Display Value        
    private string keyValue; //Key Value
    private string clickEvent; //Click event
    private string selectedIndexChangeEvent; //Combo box event.
    private string validateEvent; //Validated event.



    public string SelectedIndexChangeEvent
    {
        get { return selectedIndexChangeEvent; }
        set { selectedIndexChangeEvent = value; }
    }

    public string ClickEvent
    {
        get { return clickEvent; }
        set { clickEvent = value; }
    }

    public string ValidateEvent
    {
        get { return validateEvent; }
        set { validateEvent = value; }
    }

    public string KeyValue
    {
        get { return keyValue; }
        set { keyValue = value; }
    }

    public string DisplayValue
    {
        get { return displayValue; }
        set { displayValue = value; }
    }

    public int MinVal
    {
        get { return minVal; }
        set { minVal = value; }
    }       

    public int MaxVal
    {
        get { return maxVal; }
        set { maxVal = value; }
    }     

    public String Sql
    {
        get { return sql; }
        set { sql = value; }
    }

    //public List<String> Controls
    //{
    //    get { return controls; }
    //    set { controls = value; }
    //}
}
}

CommonControl 类是从 Controls 类派生的。

我想做的是将上述字典写入 XML 文件。

[Serializable]
public class ControlSerializer : ISerializable
{
    public ControlSerializer()
    {
    }


    private Dictionary<String, CommonControl> dicCtrl;

    public Dictionary<String, CommonControl> DicCtrl
    {
        get { return dicCtrl; }
        set { dicCtrl = value; }
    }


    public ControlSerializer(Dictionary<String, CommonControl> dic)
    {           
        this.DicCtrl = dic;
    }

    public void GetObjectData(SerializationInfo info, StreamingContext context)
    {
        throw new NotImplementedException();
    }

}

为此，我正在使用 ControlSerializer 类

这样调用它

 try
        {
            XmlTextWriter xlw = new XmlTextWriter(@"D:\Test.xml", null);
            common.Serialize(xlw, common.dicControls);
        }
        catch (Exception exShow)
        {

问题是我收到一个异常提示 “反射(reflect)类型‘SharpFormEditorDemo.ControlSerializer’时出现错误。”

但我正在使用 typeof 运算符获取类型。对为什么会这样感到困惑。对不起，如果我太长但想给出完整的图片。

谢谢

最佳答案

通用词典不能被 XmlSerialized。你得到的错误是由公共(public)属性(property)引起的 DicCtrl .

• 使用[XmlIgnore]属性以在序列化时跳过此属性(这可能不是您想要的)。
• 将属性的类型更改为可以序列化的类型，例如List<T>
• 查找或实现一个可序列化的字典
• 或实现IXmlSerializable

顺便说一句 [Serializable]仅二进制序列化需要属性。 Xml 序列化不需要它。

关于c# - 反射(reflect)类型时出现错误 - XML 序列化问题，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/4407200/