//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_nEndTime; //结束时间：
public LibTDBWrap.TDBDefine_ReqKLine ToAPIReqKLine()
{
LibTDBWrap.TDBDefine_ReqKLine reqAPIKLine = new LibTDBWrap.TDBDefine_ReqKLine();
reqAPIKLine.chCode = LibWrapHelper.String2AnsiArr(m_strWindCode, 32);
reqAPIKLine.chMarketKey = LibWrapHelper.String2AnsiArr(m_strMarketKey, 24);
reqAPIKLine.nCQFlag = (int)m_nCQFlag;
reqAPIKLine.nCQDate = m_nCQDate;
reqAPIKLine.nQJFlag = m_nQJFlag;
reqAPIKLine.nCycType = (int)m_nCycType;
reqAPIKLine.nCycDef = m_nCycDef;
reqAPIKLine.nAutoComplete = m_nAutoComplete;
reqAPIKLine.nBeginDate = m_nBeginDate;
reqAPIKLine.nBeginTime = m_nBeginTime;
reqAPIKLine.nEndDate = m_nEndDate;
reqAPIKLine.nEndTime = m_nEndTime;
return(reqAPIKLine);
}