char*转wchar_t

char*转BSTR*实例代码

wchar_t* c2w(const char *str){int length = strlen(str)+1;wchar_t *t = (wchar_t*)malloc(sizeof(wchar_t)*length);memset(t,0,length*sizeof(wchar_t));MultiByteToWideChar(CP_ACP,0,str,strlen(str),t,length);return t;}

备注：记得释放内存，以免内存泄漏。