WinCE下重新设置IP地址无需重新启动

#include <ndis.h>

bool SetIpAddress(CString m_strIp,CString m_strMask,CString m_strGateWay)

{

//获得网卡的设备名

WCHAR Names[50];

DWORD bytes;

HANDLE m_hFileHandle = CreateFile(_T("NDS0:"), 0, 0, NULL,

OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,

(HANDLE) INVALID_HANDLE_VALUE);

if( m_hFileHandle == INVALID_HANDLE_VALUE )

{

MessageBox(NULL,_T("获得网卡名时打开设备错误"),NULL,0);

return false;

}

// Get list of adapter names

if (!DeviceIoControl(m_hFileHandle,

IOCTL_NDIS_GET_ADAPTER_NAMES,

NULL,0,

Names,MAX_PATH,&bytes,NULL))

{

MessageBox(NULL,_T("获得网卡名错误"),NULL,0);

return false;

}

DWORD len = wcslen(Names);

Names[len] = 0;

Names[len+1] = 0;

CString strKeyName;

strKeyName.Format(_T("Comm\%s\Parms\TCPIP"),Names);

//打开注册表对网卡IP信息对应子健进行修改

HKEY hkey;

if(RegOpenKeyEx(HKEY_LOCAL_MACHINE,strKeyName,0,KEY_WRITE,&hkey) != ERROR_SUCCESS)

{

MessageBox(NULL,TEXT("打开注册表错误"),NULL,0);

return false;

}

DWORD value;

value = 0;

WCHAR buffer[50];

//set EnableDHCP

if(RegSetValueEx(hkey,TEXT("EnableDHCP"),0,REG_DWORD,(const unsigned char *)&value,sizeof(DWORD)) != ERROR_SUCCESS)

MessageBox(NULL,TEXT("关闭自动获得IP错误"),NULL,0);

//set ip address

memset(buffer,0,100);

memcpy(buffer,m_strIp.GetBuffer(0),m_strIp.GetLength()*2);

if(RegSetValueEx(hkey,TEXT("IpAddress"),0,REG_MULTI_SZ,(const unsigned char *)buffer, m_strIp.GetLength()*2+2) != ERROR_SUCCESS)

MessageBox(NULL,TEXT("设置IP错误"),NULL,0);

//set subnet mask

memset(buffer,0,100);

memcpy(buffer,m_strMask.GetBuffer(0),m_strMask.GetLength()*2);

if(RegSetValueEx(hkey,TEXT("SubnetMask"),0,REG_MULTI_SZ,(const unsigned char *)buffer, m_strMask.GetLength()*2+2) != ERROR_SUCCESS)

MessageBox(NULL,TEXT("设置子网掩码错误"),NULL,0);

//set gateway

memset(buffer,0,100);

memcpy(buffer,m_strGateWay.GetBuffer(0),m_strGateWay.GetLength()*2);

if(RegSetValueEx(hkey,TEXT("DefaultGateway"),0,REG_MULTI_SZ,(const unsigned char *)buffer, m_strGateWay.GetLength()*2+2) != ERROR_SUCCESS)

MessageBox(NULL,TEXT("设置网关错误"),NULL,0);

RegFlushKey(hkey);

RegCloseKey(hkey);

// 重启网卡，不用机器热启动

HANDLE hNdis = CreateFile(_T("NDS0:"), 0, 0, NULL,

OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,

(HANDLE) INVALID_HANDLE_VALUE);

if( hNdis == INVALID_HANDLE_VALUE )

{

MessageBox(NULL,_T( "重启网络驱动时打开设备错误"),NULL,0);

return false;

}

// Send the device command.

if (!DeviceIoControl( hNdis, IOCTL_NDIS_REBIND_ADAPTER,

Names, _tcslen( Names) + sizeof( TCHAR ), // buf contains the name of the

NULL, 0, NULL, NULL ) )

{

MessageBox(NULL,_T( "重启网络驱动错误"),NULL,0);

}

CloseHandle( hNdis );

return true;

}

需注意：1 使

用标准SDK的朋友，可能用到的头文件有：pkfuncs.h，toolhelp.h，lss.h，自己需要到你的WINCE500目录下搜索这几个头文件；2 你的WINCE工程目录输出若不是debug版，上面头文件可能使用有错误，使用Release版将上面函数封装成一个静态库使用。