Possible Duplicate:
Function or interface marked as restricted, or the function uses an Automation type not supported in Visual Basic.
基本上，我只是使用uPNPDeviceFinder类搜索uPnP设备。FindByType方法，.FindByUDN有效，但FindByType给出了一个错误：
当我尝试调用该方法时，VB6会给出一个编译错误：
Function or interface marked as restricted, or the function
uses an Automation type not supported in Visual Basic.
我甚至不知道这意味着什么，也不知道我为什么会得到它。我正在引用和使用在yoru system32目录中找到的upnp.dll文件-当我在VS2010（比如，vb.net）中引用和使用它时，一切都正常，没有发现任何问题，但在VB6中，我得到了上面的错误，有人知道吗？谢谢
函数在typelib中声明为
HRESULT FindByType(
[in] BSTR bstrTypeURI,
[in] unsigned long dwFlags,
[out, retval] IUPnPDevices** pDevices);
并且无符号参数dwFlags在VB6中不可用
Function FindByType(bstrTypeURI As String, dwFlags As <Unsupported variant type>) As UPnPDevices
您必须通过将参数类型更改为兼容的VB6类型来“VB fy”此类型库。
编辑：
这里是我尝试用VB验证这个类型库，使用时风险自负。IDL是用mktyplib编译的。
请注意，您不必将vbupnp.tlb发送给您的用户，也不必在他们的机器上注册它。只需注册并仅在您的开发机器上使用它。
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