RTDX API求助，请问SAI4,I4,R8这些是什么数据类型？
最近在学RTDX的使用，在电脑端要用C#或VB来编写软件接收数据，可惜官方没有提供RTDX的API，根本不知道RTDX对象里面有什么方法，又怎样去调用，搜索了一天一夜，才在网上找到非官方发布的API，如下，但是数据类型又很奇怪，不知道代表什么意思，如UI4,I4等，我猜是Unsigned int 32位，int 32位VOIDQueryInterface(GUID riid, VOID,VOID ppvObj)
UI4AddRef()
UI4Release()
VOIDGetTypeInfoCount(UINT pctinfo)
VOIDGetTypeInfo(UINT itinfo, UI4 lcid, VOID,VOID pptinfo)
VOIDGetIDsOfNames(GUID riid, I1,I1 rgszNames, UINT cNames, UI4 lcid, I4 rgdispid)
VOIDInvoke(I4 dispidMember, GUID riid, UI4 lcid, UI2 wFlags, DISPPARAMS pdispparams, VARIANT pvarResult, EXCEPINFO pexcepinfo, UINT puArgErr)
I4Open(BSTR Channel_String, BSTR Read_Write)
I4Close()
I4Read(VARIANT pArr, I4 dataType, I4 numBytes)
I4ReadI1(UI1 pData)
I4ReadI2(I2 pData)
I4ReadI4(I4 pData)
I4ReadF4(R4 pData)
I4ReadF8(R8 pData)
I4ReadSAI1(VARIANT pArr)
I4ReadSAI2(VARIANT pArr)
I4ReadSAI4(VARIANT pArr)
I4ReadSAF4(VARIANT pArr)
I4ReadSAF8(VARIANT pArr)
VARIANTReadSAI2V(I4 pStatus)
VARIANTReadSAI4V(I4 pStatus)
I4WriteI1(UI1 Data, I4 numBytes)
I4WriteI2(I2 Data, I4 numBytes)
I4WriteI4(I4 Data, I4 numBytes)
I4WriteF4(R4 Data, I4 numBytes)
I4WriteF8(R8 Data, I4 numBytes)
I4Write(VARIANT Arr, I4 numBytes)
I4Rewind()
I4Flush()
I4Seek(I4 MsgNum)
I4SeekData(I4 numBytes)
I4StatusOfWrite(I4 numBytes)
I4GetNumMsgs(I4 pNum)
I4GetChannelID(BSTR Channel_String, I4 chanId)
I4GotoNextMsg()
I4GetMsgID(I4 pMsgId)
I4GetMsgNumber(I4 pMsgNum)
I4GetMsgLength(I4 pLength)
I4EnableRtdx()
I4DisableRtdx()
I4EnableChannel(BSTR ChannelName)
I4DisableChannel(BSTR ChannelName)
I4GetChannelStatus(BSTR ChannelName, I4 pChannelStatus)
I4ConfigureRtdx(I2 Mode, I4 MainBufferSize, I4 NumOfMainBuffers)
I4ConfigureLogFile(BSTR FileName, I4 FileSize, I2 FileFullMode, I2 FileOpenMode)
I4GetRTDXRev(I4 RevNum)
I4GetStatusString(BSTR StatusString)
I4GetCapability(I4 Capability)
I4RunDiagnostics(I2 TestType, I4 TestMode, I4 TestInfo)
BSTRGetDiagFilePath(I2 TestType)
I4SetProcessor(BSTR Board, BSTR Cpu)
HRESULTGetTypeInfoCount(UINT pctinfo)
HRESULTGetTypeInfo(UINT itinfo, UI4 lcid, VOID,VOID pptinfo)
HRESULTGetIDsOfNames(GUID riid, I1,I1 rgszNames, UINT cNames, UI4 lcid, I4 rgdispid)
HRESULTInvoke(I4 dispidMember, GUID riid, UI4 lcid, UI2 wFlags, DISPPARAMS pdispparams, VARIANT pvarResult, EXCEPINFO pexcepinfo, UINT puArgErr)
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