如何在事件触发(连接点)中取回客户的数据?
例如:
事件定义:OnConnect(BSTR strGive,BSTR strReturn)
VB中:
sub OBJ1_OnConnect(strGive as string,strReturn as string)
strReturn="ok"
end sub
ATL中触发:
{
BSTR strGive=::SysAllocString(....);
BSTR strReturn;
OnConnect(strGive,strReturn);
//我要在这里取得strReturn的值,怎么处理呢?
}