关于C#调用C++程序
我有个C++写的DLL，并提供了.H文件。 其中有个东东在H文件中的定义是这样的：
/* 
 * typedef: 
 * PemnCommHandle
 *------------------------------
 * Description:
 * Communication handle to the agent/PEM returned by PemnOpen
 * This handle is used with all subsequent call to the agent (e.g
 * PemnSend, PemnReceive).
 *------------------------------ 
 */
typedef void *PemnCommHandle;


使用这个东东的方法定义如下：
/*
 * Function:  
 * PemnOpen
 *------------------------------
 * Purpose : 
 * Open a connection to a PATROL agent.
 * The caller specifies the host name and port number. For other
 * communication attributes see PemnSet/GetCommAttributes below.
 *
 * When the connection is opened successfully the OpenCallback is called.
 * If the connection could not be opened then CloseCall back is called.
 *
 * IMPORTANT pOpenCallback should call the PemnSendIdentity()
 * immediatly to authenticate the connection. (V31*)
 *------------------------------
 * Arguments:
 * iPort - port number of the agent/PEM
 * pcRemoteHost - Host name of the agent/PEM.
 * pCloseCallback, pOpenCallback - PEM API calls these
 * routines when the connection with agent/PEM is closed/opened
 * pCloseClientData, pOpenClientData - The PEM API passes 
 * pCloseClientData (resp. pOpenClientData) 
 * when calling pCloseCallback (resp. pOpenCallback).
 * phComm - address in the application of the variable which 
 * will holds the communication handles.
 * The PEM API store internally the address of where to 
 * return the Comm. handler.
 *
 * THE VARIABLE HOLDING THIS COMMUNICATION
 * HANDLE SHOULD BE A STATIC VARIABLE IN THE PROGRAM.
 *
 */
DLL_IMPORT void PemnOpen(
int iPort,
char *pcRemoteHost,
PemnCommCallback pCloseCallback,
PemnClientData pCloseClientData,
PemnCommCallback pOpenCallback,
PemnClientData pOpenClientData,
PemnCommHandle *phComm
);


而我的C#调用代码如下：

  public delegate void PemnCommHandle();

  [DllImport("pemapi.dll", CallingConvention = CallingConvention.Cdecl)]
  public static extern string PemnBOpen(
  PemnCommHandle phComm,
  string pcHostName,
  int iPort,
  string pcUserName,
  string pcEncryptedPassword,
  int iMaxRetry,
  PemnBDisconnectCallback pDisconnectCallback,
  PemnClientData pClientData
  );

  public void Temp() 
  {
  Console.WriteLine("PemnCommHandle被调用。");
  }


  PemnCommHandle pHandle = new PemnCommHandle(Temp);
  strOpenResult = PemnBOpen(pHandle, "10.10.198.12", 3181, "patrol", sbEncryptedPwd.ToString(), 1, pCallBack, null);

我想问下：

1. PemnCommHandle 是函数指针么？ 

2. 我写的C#代码写得对吗，PemnCommHandle对我的程序没什么意义嘛

------解决方案--------------------
你c#中的参数都是什么类型啊，人家c++的是什么类型，你搞清楚了吗，PemnCommCallback 之类的都是什么类型啊，PemnCommHandle 应该就是个句柄，干吗用的你要不知道就问接口提供者
------解决方案--------------------
C#的数据类型和C++的有些是不一样的,比如char [] 和C#里的char []就不一回事