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博客园 - apple0809

推箱子 directshow DirectShow 65 410 画图 wince 注册 com组件 - apple0809 wince5.0 光标 得到dialog的hdc hdc - apple0809 - 博客园 VS2005 WTL add ATL error! Solution..... 启动exe - apple0809 - 博客园 文件系统 兴趣 兴趣 兴趣。 兴趣 期望
VARIANT - apple0809 - 博客园
apple0809 · 2009-12-02 · via 博客园 - apple0809

比较:

赋值

VARIANT vaTemp:

vaTemp.vt = VT_BSTR;

vaTemp.bstrval = ::SysAllocString("Hello!");

int Value = wcscmp(vaTemp.bstrval , OLESTR("Hello!"));

如果value的值参照:

Value Relationship of string1 to string2

< 0

string1 less than string2

0

string1 identical to string2

> 0

string1 greater than string2