读取的代码是这个 我想知道写入的代码怎么做

{
    // TODO: Add your message handler code here and/or call default
    if (pCopyDataStruct != NULL)
    {
        if (pCopyDataStruct->dwData != 0xFFFFFFFF)
        {
            UINT uParamID = pCopyDataStruct->dwData & 0xFFFF;
            CCommUART::COMM_DATA *p = (CCommUART::COMM_DATA *)(pCopyDataStruct->lpData);
            
            switch (uParamID)
            {
            case PARAM_ID_1200:
                UpdateData(TRUE);
                m_Unit_t1.Format("%d", p->DATA[0]);
                m_Unit_t2.Format("%0.2f", p->DATA[1]/100.0f);
                m_Unit_t3.Format("%0.2f", p->DATA[2]/100.0f);
                m_Unit_t4.Format("%0.2f", p->DATA[2]/100.0f);
- 

```