错误C3699和c ++ struct和c ++ / cli struct之间的转换

本文介绍了错误C3699和c ++ struct和c ++ / cli struct之间的转换的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

c ++

 typedef  void （* callback_OnRspAuthenticate ）（CThostFtdcRspAuthenticateField *，CThostFtdcRspInfoField *， int ， bool ）;

  struct  CThostFtdcRspAuthenticateField 
 {
 TThostFtdcBrokerIDType BrokerID; 
 TThostFtdcUserIDType UserID; 
 TThostFtdcProductInfoType UserProductInfo; 
};

  struct  CThostFtdcRspInfoField 
 { 
 TThostFtdcErrorIDType ErrorID; 
 TThostFtdcErrorMsgType ErrorMsg; 
};

C ++ / CLI

  public   delegate   void  delegate_OnRspAuthenticate（CThostFtdcRspAuthenticateField ^，CThostFtdcRspInfoField ^， int ， bool ）;

  public   value   struct  CThostFtdcRspAuthenticateField 
 {
 [MarshalAs（UnmanagedType :: ByValTStr，SizeConst =  11 ）] 
 String ^ BrokerID; 
 [MarshalAs（UnmanagedType :: ByValTStr，SizeConst =  16 ）] 
 String ^ UserID; 
 [MarshalAs（UnmanagedType :: ByValTStr，SizeConst =  11 ）] 
 String ^ UserProductInfo; 
};

  public   value   struct  CThostFtdcRspInfoField 
 {
  Int32  ErrorID ; 
 [MarshalAs（UnmanagedType :: ByValTStr，SizeConst =  81 ）] 
 String ^ ErrorMsg; 
};

解决方案

c++

typedef void(*callback_OnRspAuthenticate)(CThostFtdcRspAuthenticateField*, CThostFtdcRspInfoField*, int, bool);

struct CThostFtdcRspAuthenticateField
{
    TThostFtdcBrokerIDType  BrokerID;
    TThostFtdcUserIDType    UserID;
    TThostFtdcProductInfoType   UserProductInfo;
};

struct CThostFtdcRspInfoField
{
    TThostFtdcErrorIDType   ErrorID;
    TThostFtdcErrorMsgType  ErrorMsg;
};

C++/CLI

public delegate void delegate_OnRspAuthenticate(CThostFtdcRspAuthenticateField^, CThostFtdcRspInfoField^, int, bool);

public value struct CThostFtdcRspAuthenticateField
{
      [MarshalAs(UnmanagedType::ByValTStr, SizeConst = 11)]
      String^ BrokerID;
      [MarshalAs(UnmanagedType::ByValTStr, SizeConst = 16)]
      String^ UserID;
      [MarshalAs(UnmanagedType::ByValTStr, SizeConst = 11)]
      String^ UserProductInfo;
};

public value struct CThostFtdcRspInfoField
{
      Int32	ErrorID;
      [MarshalAs(UnmanagedType::ByValTStr, SizeConst = 81)]
      String^	ErrorMsg;
};

解决方案

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和C

错误C3699和c ++ struct和c ++ / cli struct之间的转换

问题描述