VARIANT

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