大侠们,ATL里这样用,竟然不行?????
声明[id(13), helpstring("method test")] HRESULT test(BSTR *str);
test(BSTR *str)
{
_bstr_t a;
a="hello";
*str=a.copy();
return S_OK;
}
客户端VB
Form.load()
Dim a As New Org
Dim str As String
str = "hi"
a.test (str)
MsgBox str
我想我这样用应该没错吧,可是还是不能把传入的变量改为HELLO,请问这是怎么回事????