如何使字节CComSafeArray在COM对象中使用 [英] How to make a byte CComSafeArray to use in a COM object

问题描述

你好！

我需要采用不同类型的数据，例如:

Hi there!

I need to take differents types of data, like:

int n = 12; //plus
short int n1 = 255; //plus
unsigned char b = 4; //plus
unsigned short w = 1600;
std::string str = "SR_protocol";

将所有togheter放入CComSafeArray< BYTE>中，然后将其转换为发送到COM对象(OPC)中，例如:

put all togheter in a CComSafeArray<BYTE>, and convert it to send in a COM object (OPC), like:

CComSafeArray<BYTE> saByteArray;
CComVariant varArrayWrapper(saByteArray);
VARIANT *vSendMSG = NULL;
varArrayWrapper.Detach(vSendMSG);

但是我不知道该怎么做..请帮我

But I don''t know how to do it.. help me please

推荐答案

将其格式化为XML并将整个结构作为字符串发送?

format it as XML and send the whole struct as a string ?

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