如何解决“请确保该文件可访问并且它是有效的程序集或COM组件"? [英] How do I resolve "Please make sure that the file is accessible and that it is a valid assembly or COM component"?

问题描述

我正在使用C#中的OpenCV构建一个项目.它需要一个名为cvextern.dll的dll文件.但是，当将该文件添加为参考文件时，会出现以下消息:-

I am building a project with OpenCV in C#. It requires a dll file called cvextern.dll. but, when adding this file as a reference, this message appears :-

无法添加引用"cvextern.dll"，请确保该文件可访问并且是有效的程序集或COM组件.

搜索后我感到疲倦，我花了整整两天的时间寻找该问题的解决方案

I get tired from searching, I spent the past 2 days in searching for a solution for that problem

推荐答案

该文件是本机DLL，这意味着您无法通过添加引用"将其添加到.NET项目中...可以通过DllImport使用它(请参见 http://msdn.microsoft.com/en-us /library/system.runtime.interopservices.dllimportattribute.aspx )

the file is a native DLL which means you can't add it to a .NET project via Add Reference... you can use it via DllImport (see http://msdn.microsoft.com/en-us/library/system.runtime.interopservices.dllimportattribute.aspx)

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