C＃属性XmlIgnore和XamlWriter类-XmlIgnore不起作用 [英] C# Attribute XmlIgnore and XamlWriter class - XmlIgnore not working

问题描述

我有一个类，其中包含标记为 [XmlIgnore] 的属性 Brush MyBrush 。尽管如此，它还是在流中序列化的，当尝试通过 XamlReader 进行读取时会造成麻烦。

I have a class, containing a property Brush MyBrush marked as [XmlIgnore]. Nevertheless it is serialized in the stream causing trouble when trying to read via XamlReader.

我做了一些测试，例如更改属性（向内部）的可见性时，它已消失在流中。不幸的是，在我的特定情况下我无法做到这一点。

I did some tests, e.g. when changing the visibility of the Property (to internal) it is gone in the stream. Unfortunately I cannot do this in my particular scenario.

1. 有人有同样的问题吗？


2. 您看到任何解决方法吗？

备注：据我所知，C＃4.0

Remark: C# 4.0 as far I can tell

这是我的单元测试中的一种方法，在该方法中，我确实测试了 XamlSerialization ：

This is a method from my Unit Test where I do test the XamlSerialization:

            // buffer to a StringBuilder
            StringBuilder sb = new StringBuilder();
            XmlWriter writer = XmlWriter.Create(sb, settings);
            XamlDesignerSerializationManager manager = new XamlDesignerSerializationManager(writer) {XamlWriterMode = XamlWriterMode.Expression};

            XamlWriter.Save(testObject, manager);
            xml = sb.ToString();
            Assert.IsTrue(!String.IsNullOrEmpty(xml) && !String.IsNullOrEmpty(xml), "Xaml Serialization failed for " + testObject.GetType() + " no xml string available");

            xml = sb.ToString();
            MemoryStream ms = xml.StringToStream();
            object root = XamlReader.Load(ms);
            Assert.IsTrue(root != null, "After reading from MemoryStream no result for Xaml Serialization");

在我的一门课中，我使用属性 Brush 。在上面的代码中，单元测试失败，因为值是 Brush 对象（不可序列化）。当我删除设置器（如下所示）时，单元测试通过。

In one of my classes I use the Property Brush. In the above code this Unit Tests fails because a Brush object (not serializable) is the value. When I remove the Setter (as below), the Unit Test passes.

使用 XmlWriter （基本上是同一测试）如上所述）。在 StringBuffer sb 中，我可以看到 Property Brush 在设置器存在时被序列化，而在移除时没有被序列化（很可能是另一个由于没有设置器而忽略属性的检查）。带有 [XmlIgnore] 的其他属性将按预期方式被忽略。

Using the XmlWriter (basically same test as above) it works. In the StringBuffer sb I can see that Property Brush is serialized when the Setter is there and not when removed (most likely another check ignoring the Property because of no setter). Other Properties with [XmlIgnore] are ignored as intended.

    [XmlIgnore]
    public Brush MyBrush
    {
        get { ..... }
        // removed because of problem with Serialization
        // set { ... }
    }

推荐答案

John的评论是正确的。还有（再次）其他属性。我在这里找到了这篇出色的文章： http：// blogs。 msdn.com/b/mikehillberg/archive/2006/09/16/xamlwriter.aspx

John's comment is correct. There are (again) other attributes. I found this excellent article here: http://blogs.msdn.com/b/mikehillberg/archive/2006/09/16/xamlwriter.aspx

我什至遇到了属性[DesignerSerializationVisibility（DesignerSerializationVisibility.Hidden）] 在
之前，但是将其误解为设计时间属性。

I even came across the attribute [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] before , but misinterpreted it as a design time attribute.

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