subject_18381.htm

一些关于vc的问答

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序号：18381 发表者：木子 发表日期：2002-10-20 11:10:10
<br>主题：_Connection出问题，急救！
<br>内容：原代码：<BR>MYADO::_CollectionPtr ConPtr;<BR>ConPtr-&gt;CreateInstance(__uuidof(MYADO::Connection);<BR>ConPtr-&gt;Open("","","","","");<BR>错误：<BR>error C2143: syntax error : missing ';' before '-&gt;'<BR>error C2501: 'ConPtr' : missing storage-class or type specifiers<BR>error C2371: 'ConPtr' : redefinition; different basic types<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;: see declaration of 'ConPtr'<BR>error C2143: syntax error : missing ';' before '-&gt;'<BR>error C2143: syntax error : missing ')' before ';'<BR>error C2143: syntax error : missing ';' before '-&gt;'<BR>error C2501: 'ConPtr' : missing storage-class or type specifiers<BR>error C2371: 'ConPtr' : redefinition; different basic types<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;see declaration of 'ConPtr'<BR>error C2143: syntax error : missing ';' before '-&gt;'<BR>
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<font color=red>答案被接受</font><br>回复者：维悟基 回复日期：2002-10-20 11:30:27
<br>内容：ConPtr-&gt;CreateInstance<BR>改为<BR>ConPtr.CreateInstance
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回复者：dr0 回复日期：2002-10-20 11:43:09
<br>内容：自问自答 ？
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回复者：zhangshiyun 回复日期：2002-11-18 20:17:12
<br>内容：在最前面加个CoInitialize(NULL)
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