public static extern void XSpeed_RegOnRtnQuoteOrder(IntPtr pMsgQueue, fnOnRtnQuoteOrder pCallback);
public static extern void XSpeed_RegOnRtnQuoteOrder(IntPtr pMsgQueue, fnOnRtnQuoteOrder pCallback);
public static extern void XSpeed_RegOnRtnQuoteOrder(IntPtr pMsgQueue, fnOnRtnQuoteOrder pCallback);
public static extern void XSpeed_RegOnRtnQuoteOrder(IntPtr pMsgQueue, fnOnRtnQuoteOrder pCallback);