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A family of Microsoft word processing software products for creating web, email, and print documents.
882 questions
如何解决 80040154 没有注册类 (异常来自 HRESULT:0x80040154 (REGDB_E_CLASSNOTREG))
xuwenke
10
Reputation points
在使用 open xml sdk开发时，使用了Microsoft.Office.Interop.Word命名空间中的Application，在编译过程中，出现了上图所示的问题，提示没有注册类。
我使用的系统是win11专业版，安装的有wps和office365
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C#
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An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
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Jiale Xue - MSFT 46,456 Reputation points Microsoft Vendor2023-02-01T08:55:00.1966667+00:00 Hi xuwenke,Welcome to Microsoft Q&A.
This forum only supports English service. Please post issues and answer questions in English. Complement the picture with code so we can quickly reconstruct your problem. For your error message, I found two possibilities, The system uses unregistered third-party COM components. You can use the system registration command to register components. Such errors are still reported if the COM component used is registered. In this case, you can try to change the program to X86. Your updates are welcome.
Best Regards,
Jiale
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