WAV DEST过滤器 [英] wav dest filter

问题描述

你好！

 

我正在尝试使用最简单的过滤器(源代码位于Windows sdk的示例目录中； http://msdn.microsoft.com/zh-cn/library/dd390969%28v=vs.85%29.aspx).该项目已成功构建(没有AX文件，只有dll)，我注册了wavdest.dll regsrv32创建文件，但无法使用cocreateinstance创建过滤器.为什么? (我使用的是在示例目录中的过滤器源代码中定义的clsid；我使用的是Visual Studio 2010；该过滤器是在发布模式下构建的.)

I am trying to use wavdest filter (the source code is in windows sdk's samples directory; http://msdn.microsoft.com/en-us/library/dd390969%28v=vs.85%29.aspx). The project has been built successfully (there was no ax file only dll), I registered the wavdest.dll file with regsrv32, but I can't create the filter with cocreateinstance. Why??  (I'm using the clsid which was defined in the source code of the filter in samples directory; I'm visual studio 2010; the filter was built in release mode).

请帮助！

谢谢！ :)

推荐答案

CoCreateInstance()返回HRESULT.

CoCreateInstance() returns an HRESULT.

无论如何，最常见的原因是Win32进程无法加载Win64 DLL，反之亦然.

In any case, the most common cause is that Win32 processes can not load Win64 DLLs and viceversa.

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