(1)字符操作函数(2)字符间操作
cstring:
ccomstr;
BSTR:
LPSTR
LPCTSTR
类所有的方法命名规则:
GetXXX,转换为其他类型;
SetXXX,设置其他类型;
以类对象为操作类型;
BSTR、_bstr_t和CCombBSTR
VARIANT variant_t 和CComVariant
参考文件:
http://blog.youkuaiyun.com/testcs_dn/article/details/7874362
http://blog.youkuaiyun.com/jun2ran/article/details/6489922
http://www.vckbase.com/index.php/wv/716
http://www.cnblogs.com/zlintokyo/archive/2011/09/07/2169679.html