VC知识库文章 - COM 组件设计与应用(三)——数
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Saved by 3 people (1 private), first by anonymouse user on 2006-11-02
- Ken on 2007-12-28 - Tags COM , SysAllocString , BSTR
- Duchengecho on 2006-12-06 - Tags com , datatype
- Yecheng_110 on 2006-11-02 - Tags com , 数据类型
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数据类型
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有函数 fun(const BSTR bstr),则你调用 LPCOLESTR p=...; fun(p); 错误!!!
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2、不要试图在一个次数比较多的循环体内进行转换;
3、不要试图对字符型文件内容进行转换,因为文件尺寸一般情况下是比较大的;
4、对情况 2 和 3,要使用 MultiByteToWideChar() 和 WideCharToMultiByte()
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