#if !defined(AFX_MFCWINSOCKCTL_H__7A7BCC5B_ED8C_40E3_AF64_316758B53655__INCLUDED_)
#define AFX_MFCWINSOCKCTL_H__7A7BCC5B_ED8C_40E3_AF64_316758B53655__INCLUDED_#if _MSC_VER > 1000
#pragma once
SOCKET OnlySock;//建立的唯一Socket,不允许重复建立多个
bool isOnlyConnect;//是否建立了连接
#endif // _MSC_VER > 1000// MFCWinSockCtl.h : Declaration of the CMFCWinSockCtrl ActiveX Control class./////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl : See MFCWinSockCtl.cpp for implementation.class CMFCWinSockCtrl : public COleControl
{
DECLARE_DYNCREATE(CMFCWinSockCtrl)
// Constructor
public:
CMFCWinSockCtrl();// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CMFCWinSockCtrl)
public:
virtual void OnDraw(CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid);
virtual void DoPropExchange(CPropExchange* pPX);
virtual void OnResetState();
protected:
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
//}}AFX_VIRTUAL// Implementation
protected:
~CMFCWinSockCtrl(); DECLARE_OLECREATE_EX(CMFCWinSockCtrl) // Class factory and guid
DECLARE_OLETYPELIB(CMFCWinSockCtrl) // GetTypeInfo
DECLARE_PROPPAGEIDS(CMFCWinSockCtrl) // Property page IDs
DECLARE_OLECTLTYPE(CMFCWinSockCtrl) // Type name and misc status// Message maps
//{{AFX_MSG(CMFCWinSockCtrl)
// NOTE - ClassWizard will add and remove member functions here.
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()// Dispatch maps
//{{AFX_DISPATCH(CMFCWinSockCtrl)
afx_msg BOOL Connect(const VARIANT FAR& RemoteHost, const VARIANT FAR& RemotePort);
afx_msg BOOL DisConnect(const VARIANT FAR& RemoteHost, const VARIANT FAR& RemotePort);
//}}AFX_DISPATCH
DECLARE_DISPATCH_MAP() afx_msg void AboutBox();// Event maps
//{{AFX_EVENT(CMFCWinSockCtrl)
void FireCloseWinsock()
{FireEvent(eventidCloseWinsock,EVENT_PARAM(VTS_NONE));}
void FireRecvSockEvent()
{FireEvent(eventidRecvSockEvent,EVENT_PARAM(VTS_NONE));}
//}}AFX_EVENT
DECLARE_EVENT_MAP()// Dispatch and event IDs
public:
enum {
//{{AFX_DISP_ID(CMFCWinSockCtrl)
dispidConnect = 1L,
dispidDisConnect = 2L,
eventidCloseWinsock = 1L,
eventidRecvSockEvent = 2L,
//}}AFX_DISP_ID
};
};//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.#endif // !defined(AFX_MFCWINSOCKCTL_H__7A7BCC5B_ED8C_40E3_AF64_316758B53655__INCLUDED)
=======================================================错误如下MFCWinSockCtl.cpp
C:\Program Files\Microsoft Visual Studio\MyProjects\MFCWinSock\MFCWinSockCtl.cpp(196) : error C2039: 'VariantToLong' : is not a member of 'CMFCWinSockCtrl'
c:\program files\microsoft visual studio\myprojects\mfcwinsock\mfcwinsockctl.h(15) : see declaration of 'CMFCWinSockCtrl'
Error executing cl.exe.求助如何建立MFCWinSockCtrl下的VariantToLong Member函数定义谢谢WinsockMFC
#define AFX_MFCWINSOCKCTL_H__7A7BCC5B_ED8C_40E3_AF64_316758B53655__INCLUDED_#if _MSC_VER > 1000
#pragma once
SOCKET OnlySock;//建立的唯一Socket,不允许重复建立多个
bool isOnlyConnect;//是否建立了连接
#endif // _MSC_VER > 1000// MFCWinSockCtl.h : Declaration of the CMFCWinSockCtrl ActiveX Control class./////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl : See MFCWinSockCtl.cpp for implementation.class CMFCWinSockCtrl : public COleControl
{
DECLARE_DYNCREATE(CMFCWinSockCtrl)
// Constructor
public:
CMFCWinSockCtrl();// Overrides
// ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CMFCWinSockCtrl)
public:
virtual void OnDraw(CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid);
virtual void DoPropExchange(CPropExchange* pPX);
virtual void OnResetState();
protected:
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
//}}AFX_VIRTUAL// Implementation
protected:
~CMFCWinSockCtrl(); DECLARE_OLECREATE_EX(CMFCWinSockCtrl) // Class factory and guid
DECLARE_OLETYPELIB(CMFCWinSockCtrl) // GetTypeInfo
DECLARE_PROPPAGEIDS(CMFCWinSockCtrl) // Property page IDs
DECLARE_OLECTLTYPE(CMFCWinSockCtrl) // Type name and misc status// Message maps
//{{AFX_MSG(CMFCWinSockCtrl)
// NOTE - ClassWizard will add and remove member functions here.
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG
DECLARE_MESSAGE_MAP()// Dispatch maps
//{{AFX_DISPATCH(CMFCWinSockCtrl)
afx_msg BOOL Connect(const VARIANT FAR& RemoteHost, const VARIANT FAR& RemotePort);
afx_msg BOOL DisConnect(const VARIANT FAR& RemoteHost, const VARIANT FAR& RemotePort);
//}}AFX_DISPATCH
DECLARE_DISPATCH_MAP() afx_msg void AboutBox();// Event maps
//{{AFX_EVENT(CMFCWinSockCtrl)
void FireCloseWinsock()
{FireEvent(eventidCloseWinsock,EVENT_PARAM(VTS_NONE));}
void FireRecvSockEvent()
{FireEvent(eventidRecvSockEvent,EVENT_PARAM(VTS_NONE));}
//}}AFX_EVENT
DECLARE_EVENT_MAP()// Dispatch and event IDs
public:
enum {
//{{AFX_DISP_ID(CMFCWinSockCtrl)
dispidConnect = 1L,
dispidDisConnect = 2L,
eventidCloseWinsock = 1L,
eventidRecvSockEvent = 2L,
//}}AFX_DISP_ID
};
};//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.#endif // !defined(AFX_MFCWINSOCKCTL_H__7A7BCC5B_ED8C_40E3_AF64_316758B53655__INCLUDED)
=======================================================错误如下MFCWinSockCtl.cpp
C:\Program Files\Microsoft Visual Studio\MyProjects\MFCWinSock\MFCWinSockCtl.cpp(196) : error C2039: 'VariantToLong' : is not a member of 'CMFCWinSockCtrl'
c:\program files\microsoft visual studio\myprojects\mfcwinsock\mfcwinsockctl.h(15) : see declaration of 'CMFCWinSockCtrl'
Error executing cl.exe.求助如何建立MFCWinSockCtrl下的VariantToLong Member函数定义谢谢WinsockMFC
你看这个变量是干什么用的,会不会这个变量写错了好象应该定义成variant vt;vt.VT_XX这么引用(XX是类型)
//类型转换,将VARIANT类型转换成Long类型
long CMFCWinSockCtrl::VariantToLong(const VARIANT &var)
{
long r;
switch(var.vt)
{
case VT_UI2://USHORT
r = var.uiVal;
break;
case VT_UI4://ULONG
r = var.ulVal;
break;
case VT_INT://INT
r = var.intVal;
break;
case VT_UINT://UINT
r = var.uintVal;
break;
case VT_I4://LONG
r = var.lVal;
break;
case VT_UI1://BYTE
r = var.bVal;
break;
case VT_I2://SHORT
r = var.iVal;
break;
case VT_R4://FLOAT
r = (long)var.fltVal;
break;
case VT_R8://DOUBLE
r = (long)var.dblVal;
break;
default:
r = -1;//无法转换该值
break;
}
return r;
}就是将VARIANT类型转换成Long类型的一个变量
#include "MFCWinSock.h"
#include "MFCWinSockCtl.h"
#include "MFCWinSockPpg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#ifndef WM_MYWINSOCK
#define WM_MYWINSOCK WM_USER+1888
#endif
IMPLEMENT_DYNCREATE(CMFCWinSockCtrl, COleControl)
/////////////////////////////////////////////////////////////////////////////
// Message mapBEGIN_MESSAGE_MAP(CMFCWinSockCtrl, COleControl)
//{{AFX_MSG_MAP(CMFCWinSockCtrl)
// NOTE - ClassWizard will add and remove message map entries
// DO NOT EDIT what you see in these blocks of generated code !
//}}AFX_MSG_MAP
ON_OLEVERB(AFX_IDS_VERB_PROPERTIES, OnProperties)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// Dispatch mapBEGIN_DISPATCH_MAP(CMFCWinSockCtrl, COleControl)
//{{AFX_DISPATCH_MAP(CMFCWinSockCtrl)
DISP_FUNCTION(CMFCWinSockCtrl, "Connect", Connect, VT_BOOL, VTS_VARIANT VTS_VARIANT)
DISP_FUNCTION(CMFCWinSockCtrl, "DisConnect", DisConnect, VT_BOOL, VTS_VARIANT VTS_VARIANT)
//}}AFX_DISPATCH_MAP
DISP_FUNCTION_ID(CMFCWinSockCtrl, "AboutBox", DISPID_ABOUTBOX, AboutBox, VT_EMPTY, VTS_NONE)
END_DISPATCH_MAP()
/////////////////////////////////////////////////////////////////////////////
// Event mapBEGIN_EVENT_MAP(CMFCWinSockCtrl, COleControl)
//{{AFX_EVENT_MAP(CMFCWinSockCtrl)
EVENT_CUSTOM("CloseWinsock", FireCloseWinsock, VTS_NONE)
EVENT_CUSTOM("RecvSockEvent", FireRecvSockEvent, VTS_NONE)
//}}AFX_EVENT_MAP
END_EVENT_MAP()
/////////////////////////////////////////////////////////////////////////////
// Property pages// TODO: Add more property pages as needed. Remember to increase the count!
BEGIN_PROPPAGEIDS(CMFCWinSockCtrl, 1)
PROPPAGEID(CMFCWinSockPropPage::guid)
END_PROPPAGEIDS(CMFCWinSockCtrl)
/////////////////////////////////////////////////////////////////////////////
// Initialize class factory and guidIMPLEMENT_OLECREATE_EX(CMFCWinSockCtrl, "MFCWINSOCK.MFCWinSockCtrl.1",
0x5d833b39, 0xb6f8, 0x4a8f, 0x9f, 0x95, 0xd4, 0xb4, 0x9c, 0x87, 0xae, 0x6b)
/////////////////////////////////////////////////////////////////////////////
// Type library ID and versionIMPLEMENT_OLETYPELIB(CMFCWinSockCtrl, _tlid, _wVerMajor, _wVerMinor)
/////////////////////////////////////////////////////////////////////////////
// Interface IDsconst IID BASED_CODE IID_DMFCWinSock =
{ 0xf6581081, 0x679c, 0x4538, { 0x85, 0xcb, 0x99, 0x4c, 0x2, 0xcd, 0xa6, 0x8a } };
const IID BASED_CODE IID_DMFCWinSockEvents =
{ 0xf67d10a, 0x33d1, 0x49e8, { 0xa1, 0xef, 0xf, 0xb3, 0xef, 0xc3, 0x53, 0x1f } };
/////////////////////////////////////////////////////////////////////////////
// Control type informationstatic const DWORD BASED_CODE _dwMFCWinSockOleMisc =
OLEMISC_ACTIVATEWHENVISIBLE |
OLEMISC_SETCLIENTSITEFIRST |
OLEMISC_INSIDEOUT |
OLEMISC_CANTLINKINSIDE |
OLEMISC_RECOMPOSEONRESIZE;IMPLEMENT_OLECTLTYPE(CMFCWinSockCtrl, IDS_MFCWINSOCK, _dwMFCWinSockOleMisc)
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::CMFCWinSockCtrlFactory::UpdateRegistry -
// Adds or removes system registry entries for CMFCWinSockCtrl
//类型转换,将VARIANT类型转换成Long类型
long CMFCWinSockCtrl::VariantToLong(const VARIANT &var)
{
long r;
switch(var.vt)
{
case VT_UI2://USHORT
r = var.uiVal;
break;
case VT_UI4://ULONG
r = var.ulVal;
break;
case VT_INT://INT
r = var.intVal;
break;
case VT_UINT://UINT
r = var.uintVal;
break;
case VT_I4://LONG
r = var.lVal;
break;
case VT_UI1://BYTE
r = var.bVal;
break;
case VT_I2://SHORT
r = var.iVal;
break;
case VT_R4://FLOAT
r = (long)var.fltVal;
break;
case VT_R8://DOUBLE
r = (long)var.dblVal;
break;
default:
r = -1;//无法转换该值
break;
}
return r;
}
BOOL CMFCWinSockCtrl::CMFCWinSockCtrlFactory::UpdateRegistry(BOOL bRegister)
{
// TODO: Verify that your control follows apartment-model threading rules.
// Refer to MFC TechNote 64 for more information.
// If your control does not conform to the apartment-model rules, then
// you must modify the code below, changing the 6th parameter from
// afxRegApartmentThreading to 0. if (bRegister)
return AfxOleRegisterControlClass(
AfxGetInstanceHandle(),
m_clsid,
m_lpszProgID,
IDS_MFCWINSOCK,
IDB_MFCWINSOCK,
afxRegApartmentThreading,
_dwMFCWinSockOleMisc,
_tlid,
_wVerMajor,
_wVerMinor);
else
return AfxOleUnregisterClass(m_clsid, m_lpszProgID);
}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::CMFCWinSockCtrl - Constructor
CMFCWinSockCtrl::CMFCWinSockCtrl()
{
InitializeIIDs(&IID_DMFCWinSock, &IID_DMFCWinSockEvents); // TODO: Initialize your control's instance data here.
}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::~CMFCWinSockCtrl - DestructorCMFCWinSockCtrl::~CMFCWinSockCtrl()
{
// TODO: Cleanup your control's instance data here.
}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::OnDraw - Drawing functionvoid CMFCWinSockCtrl::OnDraw(
CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid)
{
// TODO: Replace the following code with your own drawing code.
pdc->FillRect(rcBounds, CBrush::FromHandle((HBRUSH)GetStockObject(WHITE_BRUSH)));
pdc->Ellipse(rcBounds);
}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::DoPropExchange - Persistence supportvoid CMFCWinSockCtrl::DoPropExchange(CPropExchange* pPX)
{
ExchangeVersion(pPX, MAKELONG(_wVerMinor, _wVerMajor));
COleControl::DoPropExchange(pPX); // TODO: Call PX_ functions for each persistent custom property.}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::OnResetState - Reset control to default statevoid CMFCWinSockCtrl::OnResetState()
{
COleControl::OnResetState(); // Resets defaults found in DoPropExchange // TODO: Reset any other control state here.
}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl::AboutBox - Display an "About" box to the uservoid CMFCWinSockCtrl::AboutBox()
{
CDialog dlgAbout(IDD_ABOUTBOX_MFCWINSOCK);
dlgAbout.DoModal();
}
/////////////////////////////////////////////////////////////////////////////
// CMFCWinSockCtrl message handlersBOOL CMFCWinSockCtrl::Connect(const VARIANT FAR& RemoteHost, const VARIANT FAR& RemotePort)
{
// TODO: Add your dispatch handler code here
if(isOnlyConnect)//该连接已建立,还没有断开
return FALSE;
CString IPAddress;
int Port;//转换成整型的端口
switch(RemoteHost.vt)
{
case VT_BSTR://字符串型
IPAddress = CString(RemoteHost.bstrVal);
break;
case VT_BYREF|VT_I1://CHAR *
IPAddress.Format("%s",RemoteHost.pcVal);//RemoteHost.pbstrVal);
break;
default:
IPAddress = "";
return FALSE;
}
Port = VariantToLong(RemotePort);//我们编写的一个VARIANT转换成long类型的函数
if(Port<=0)
return FALSE;
_TCHAR *ip = 0;
struct hostent *host = 0;
struct sockaddr_in addr;
ULONG dotIP = inet_addr(IPAddress);
OnlySock = socket(AF_INET, SOCK_STREAM, 0);
// 判断是否为点IP地址格式
if (OnlySock == INVALID_SOCKET)
{
shutdown(OnlySock, 0x02);
closesocket(OnlySock);//释放占有的SOCK资源
return FALSE;
}
memset(&addr, 0, sizeof(struct sockaddr_in));
// 设定 SOCKADDR_IN 结构的内容
// 如果通讯协议是选择IP Protocol,那此值固定为AF_INET
// AF_INET 与 PF_INET 这两个常量值相同
addr.sin_family = AF_INET;
addr.sin_port = htons(Port);
addr.sin_addr.S_un.S_addr = dotIP;
if (dotIP == INADDR_NONE)
{
host = gethostbyname(IPAddress);
if (!host)
{
shutdown(OnlySock, 0x02);
closesocket(OnlySock);//释放占有的SOCK资源
return FALSE;
};
ip = inet_ntoa(*(struct in_addr*)(*host->h_addr_list));
addr.sin_addr.S_un.S_addr = inet_addr(ip);
}
//开始连线
if (connect(OnlySock, (LPSOCKADDR)&addr, sizeof(SOCKADDR)))
{
shutdown(OnlySock, 0x02);
closesocket(OnlySock);//释放占有的SOCK资源
return FALSE;
}
int iError = WSAAsyncSelect(OnlySock, m_hWnd,WM_MYWINSOCK, FD_READ|FD_CLOSE); //只对网络断开和数据到达通知感兴趣
if(iError == SOCKET_ERROR)//无法绑定Winsock的事件通知
{
shutdown(OnlySock, 0x02);
closesocket(OnlySock);//释放占有的SOCK资源
return FALSE;
}
isOnlyConnect = true;
return TRUE;
}
BOOL CMFCWinSockCtrl::DisConnect(const VARIANT FAR& RemoteHost, const VARIANT FAR& RemotePort)
{
// TODO: Add your dispatch handler code here return TRUE;
}
LRESULT CMFCWinSockCtrl::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_MYWINSOCK://响应自定义的消息
switch(WSAGETSELECTEVENT(lParam))
{
case FD_READ://有新数据到达
FireRecvSockEvent();
break;
case FD_CLOSE://对方已断掉当前连接
FireCloseWinsock();
break;
}
break;
default:
break;
}
// TODO: Add your specialized code here and/or call the base class
return COleControl::WindowProc(message, wParam, lParam);
}
#endif