无法使用 ImportMany 属性进行编译

发布于 2024-09-30 11:39:41 字数 762 浏览 1 评论 0原文

对于 MEF 新手来说，我在第一次测试 MEF 时遇到了问题。我的问题代码如下-

using System;
using GlobalInterfaces;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;

namespace GlobalInterfacesUnitTest
{
    [TestClass]
    public class GlobalInterfacesUnitTest
    {
        [TestMethod]
        public void TestMethod1()
        {
            [ImportMany(AllowRecomposition = true)]
            Lazy<IComponentGui, IImportComponentGuiCapabilites>[] Senders {get;set;}
        }
    }
}

我无法让编译器找到“ImportMany”属性的问题。我已经检查了几个演示的参考文献并复制了它们的参考文献，但仍然存在同样的问题。我看不到我所忽略的东西。我使用的是VS2010/Net4.0。

原文

As to total MEF newbie, I'm having a problem with my first test of MEF. My problem code is below-

using System;
using GlobalInterfaces;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;

namespace GlobalInterfacesUnitTest
{
    [TestClass]
    public class GlobalInterfacesUnitTest
    {
        [TestMethod]
        public void TestMethod1()
        {
            [ImportMany(AllowRecomposition = true)]
            Lazy<IComponentGui, IImportComponentGuiCapabilites>[] Senders {get;set;}
        }
    }
}

The problem that I cannot get the compiler to find "ImportMany" attribute. I've checked the references against several demos and copied their references and still have the same problem. I cannot see what I'm overlooking. I am using VS2010 / Net4.0.

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来日方长 2024-10-07 11:39:41

您不能在方法内定义属性。把它搬到课堂上。尝试：

[TestClass]
public class GlobalInterfacesUnitTest
{
    [ImportMany(AllowRecomposition = true)]
    Lazy<IComponentGui, IImportComponentGuiCapabilites>[] Senders {get;set;}

    [TestMethod]
    public void TestMethod1()
    {

    }
}

You can't define properties inside method. Move it out to class. Try:

[TestClass]
public class GlobalInterfacesUnitTest
{
    [ImportMany(AllowRecomposition = true)]
    Lazy<IComponentGui, IImportComponentGuiCapabilites>[] Senders {get;set;}

    [TestMethod]
    public void TestMethod1()
    {

    }
}

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