//获取K线
public TDBErrNo GetKLine(TDBReqKLine reqKLine, out TDBKLine[] tdbKLine)
{
TDBErrNo nVerifyRet = SimpleVerifyReqInput(reqKLine);
tdbKLine = new TDBKLine[0];
if (nVerifyRet != TDBErrNo.TDB_SUCCESS)
{
return(nVerifyRet);
}
LibTDBWrap.TDBDefine_ReqKLine reqKLineInner = reqKLine.ToAPIReqKLine();
IntPtr pUnmanagedAPIReqK = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(LibTDBWrap.TDBDefine_ReqKLine)));
Marshal.StructureToPtr(reqKLineInner, pUnmanagedAPIReqK, false);
IntPtr ppKLine = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(IntPtr)));
IntPtr pCount = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Int32)));
int nRet = LibTDBWrap.TDB_GetKLine(m_hTdb, pUnmanagedAPIReqK, ppKLine, pCount);
IntPtr PKLine = (IntPtr)Marshal.PtrToStructure(ppKLine, typeof(IntPtr));
int nCount = (int)Marshal.PtrToStructure(pCount, typeof(Int32));
if ((UInt64)PKLine != 0 && nRet == 0 && nCount > 0)
{
tdbKLine = new TDBKLine[nCount];
int nElemLen = Marshal.SizeOf(typeof(LibTDBWrap.TDBDefine_KLine));
for (int i = 0; i < nCount; i++)
{
LibTDBWrap.TDBDefine_KLine apiKLine = (LibTDBWrap.TDBDefine_KLine)Marshal.PtrToStructure((IntPtr)((UInt64)PKLine + (UInt64)(nElemLen * i)), typeof(LibTDBWrap.TDBDefine_KLine));
tdbKLine[i] = new TDBKLine();
tdbKLine[i].FromAPIKLine(ref apiKLine);
}
}
else
{
//如果网络连接断掉，则关闭连接
if (nRet == (int)TDBErrNo.TDB_NETWORK_ERROR)
{
DisConnect();
}
}
if ((UInt64)PKLine != 0)
{
LibTDBWrap.TDB_Free(PKLine);
}
Marshal.FreeHGlobal(pUnmanagedAPIReqK);
Marshal.FreeHGlobal(ppKLine);
Marshal.FreeHGlobal(pCount);
return((TDBErrNo)nRet);
}
public int m_nInterest; //持仓量(期货)、IOPV(基金)、利息(债券)
public void FromAPIKLine(ref LibTDBWrap.TDBDefine_KLine apiKLine)
{
m_strWindCode = LibWrapHelper.AnsiArr2String(apiKLine.chWindCode, 0, apiKLine.chWindCode.Length);
m_strCode = LibWrapHelper.AnsiArr2String(apiKLine.chCode, 0, apiKLine.chCode.Length);
m_nDate = apiKLine.nDate;
m_nTime = apiKLine.nTime;
m_nOpen = apiKLine.nOpen;
m_nHigh = apiKLine.nHigh;
m_nLow = apiKLine.nLow;
m_nClose = apiKLine.nClose;
m_iVolume = apiKLine.iVolume;
m_iTurover = apiKLine.iTurover;
m_nMatchItems = apiKLine.nMatchItems;
m_nInterest = apiKLine.nInterest;
}