串口程序源码VC

串口调试程序VC++源代码 CMSComm operations void CMSComm::SetCDHolding BOOL bNewValue { static BYTE parms[] VTS BOOL; InvokeHelper 0x1 DISPATCH PROPERTYPUT VT EMPTY NULL parms bNewValue ; } BOOL CMSComm::GetCDHolding { BOOL result; InvokeHelper 0x1 DISPATCH PROPERTYGET VT BOOL void