错误消息：“无法加载文件或程序集或其依赖项之一”

编程问答 2022-04-30

问题描述

完整的错误消息：Could not load file or assembly 'LimitlessSoft.Buffer,Version=4.0.0.0,Culture=neutral,PublicKeyToken=null' or one of its dependencies. A strongly-named assembly is required. (Exception from HRESULT: 0x80131044)

首先，我查看了这些问题及其所有答案：

我还没有找到任何适合我的解决方案。

这是我的情况。

我有 winform .NET Framework 4.0 项目（不，我无法更新到更高版本）。我有一些代码，我想在 dll 中分开，这样我就可以在其他项目中使用它。我创建了一个只有一个类的新 .NET Framework 4.0 Class Library 项目，它看起来像这样：

using System;

namespace LimitlessSoft.Buffer
{
    /// <summary>
    /// Used to buffer data
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class Buffer<T>
    {
        /// <summary>
        /// Delegate that returns object that is buffered
        /// </summary>
        /// <returns></returns>
        public delegate T SetBuffer();
        /// <summary>
        /// SetBuffer that returns object that is buffered
        /// </summary>
        private SetBuffer UpdateBuffer;

        /// <summary>
        /// Indicates when has buffer been updated last time
        /// </summary>
        public DateTime LastUpdate { get; set; }
        private T Value { get; set; }


        /// <summary>
        /// Initializes new buffer
        /// </summary>
        /// <param name="updateBuffer">Delegate that returns object being buffered</param>
        public Buffer(SetBuffer updateBuffer)
        {
            UpdateBuffer = updateBuffer;
        }


        /// <summary>
        /// Gets item from buffer that has been last time updated not greater than maximumObselence.
        /// If it cannot be found,he will do as updateIfNotFound says.
        /// If it cannot be foudn after updateIfNotFound,you will get default(T)
        /// </summary>
        /// <param name="maximumObselence">Maximum obselence for buffered item</param>
        /// <param name="updateIfNotFound">Indicates if buffer need to be updated if it has not been found at given period</param>
        /// <returns></returns>
        public T Get(TimeSpan maximumObselence,bool updateIfNotFound = true)
        {
            if (Value != null)
                if ((LastUpdate - DateTime.Now).TotalMilliseconds < maximumObselence.TotalMilliseconds)
                    return Value;

            if (updateIfNotFound)
            {
                Value = UpdateBuffer();
                LastUpdate = DateTime.Now;
                return Value;
            }

            return default(T);
        }
        /// <summary>
        /// Sets item into buffer
        /// </summary>
        /// <param name="item"></param>
        public void Set(T item)
        {
            Value = item;
            LastUpdate = DateTime.Now;
        }
        /// <summary>
        /// Updates data in buffer
        /// </summary>
        public void Update()
        {
            Value = UpdateBuffer();
            LastUpdate = DateTime.Now;
        }
    }
}

当我在我的项目中导入这个类库时，它会抛出错误。

然后我创建了新的空 .NET Framework 4.0 winform application，导入了这个 dll，初始化了类，从中调用了函数，然后它就可以工作了。

为什么相同的 dll 可以在新的空项目中运行，但在其他项目中会出错？

解决方法

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