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[apple009]

请问CoUninitialize()函数的作用,他的作用什么为什么运行到那里就内存报错呢？

[ouyh12345]

作用:
Closes the COM library on the current thread, unloads all DLLs loaded by the thread, frees any other resources that the thread maintains, and forces all RPC connections on the thread to close.

是在哪调用的?
和CoInitialize或CoInitializeEx是否匹配?

[xxfyath]

在程序刚开始运行时，进行　CoInitialize() ; //// Initializes the COM library

在整个程序退出进 进行　CoUninitialize() ; //// Closes the COM library

可查看MSDN　。

[东文-桑晨]

用在COM，参考MSDN

A thread must call CoUninitialize once for each successful call it has made to CoInitialize or CoInitializeEx. Only the CoUninitialize call corresponding to the CoInitialize or CoInitializeEx call that initialized the library can close it.

Calls to OleInitialize must be balanced by calls to OleUninitialize. The OleUninitialize function calls CoUninitialize internally, so applications that call OleUninitialize do not also need to call CoUninitialize.

CoUninitialize should be called on application shutdown, as the last call made to the COM library after the application hides its main windows and falls through its main message loop. If there are open conversations remaining, CoUninitialize starts a modal message loop and dispatches any pending messages from the containers or server for this COM application. By dispatching the messages, CoUninitialize ensures that the application does not quit before receiving all of its pending messages. Non-COM messages are discarded.

Because there is no way to control the order in which in-process servers are loaded or unloaded, do not call CoInitialize, CoInitializeEx, or CoUninitialize from the DllMain function.

[apple009]

void CCslXmlJobTicket::SaveToFile(LPCTSTR filename)
//throws MSXmlException
{
MSXmlException xmle;
HRESULT hr;



hr=CoInitialize(NULL);
CString XmlFileName(filename);
CPtrArray xmldata;

IXMLDOMDocumentPtr pDoc = NULL;
VARIANT vFilename;
VariantInit(&vFilename);
hr= pDoc.CreateInstance(__uuidof(DOMDocument));

BuildXmlData(xmldata);
BuildTree( pDoc, xmldata);
DestroyXmlData(xmldata);

V_VT(&vFilename) = VT_BSTR;
V_BSTR(&vFilename) = XmlFileName.AllocSysString();

hr = pDoc->save( vFilename);

bDirty = FALSE;

SaveFilename = XmlFileName;

VariantClear(&vFilename);
}

CoUninitialize();

}

[apple009]

整段代码是这样的大家帮忙看看！

[apple009]

大家帮了我的大忙,谢谢你们但是我没有分了,下次有了还给你们,让我驻你们新年快乐吧,谢谢.