Wince中修改IP地址而无需重启

namespace Utitlity.Windows
{
using System;
using System.Runtime.InteropServices;
using Microsoft.Win32;
/** <summary>
/// 用于读取和配置以太网卡的IP地址信息
/// </summary>
public static class IpHelper
{
private const int OPEN_EXISTING = 3;
private const int FILE_ATTRIBUTE_NORMAL = 0x80;
private const int INVALID_HANDLE_VALUE = -1;
private const int IOCTL_NDIS_REBIND_ADAPTER = 1507374;
private const int IOCTL_NDIS_GET_ADAPTER_NAMES = 1507386;
[DllImport("Coredll.dll", EntryPoint = "CreateFile")]
private static extern int CreateFile(
string lpFileName,
int dwDesiredAccess,
int dwShareMode,
int lpSecurityAttributes,
int dwCreationDisposition,
int dwFlagsAndAttributes,
int hTemplateFile
);
[DllImport("Coredll.dll", EntryPoint = "DeviceIoControl")]
private static extern int DeviceIoControl(
int hDevice,
int dwIoControlCode,
string lpInBuffer,
int nInBufferSize,
string lpOutBuffer,
int nOutBufferSize,
int lpBytesReturned,
int lpOverlapped
);
[DllImport("Coredll.dll", EntryPoint = "DeviceIoControl")]
private static extern int DeviceIoControl2(
int hDevice,
int dwIoControlCode,
string lpInBuffer,
int nInBufferSize,
string lpOutBuffer,
int nOutBufferSize,
ref int lpBytesReturned,
int lpOverlapped
);
[DllImport("Coredll.dll", EntryPoint = "CloseHandle")]
private static extern int CloseHandle(int hObject);
/** <summary>
/// 保存以太网卡IP地址信息的注册表节点
/// </summary>
private const string TcpIpRegKeyName = @"HKEY_LOCAL_MACHINEComm{0}ParmsTcpIp";
/** <summary>
/// IP地址注册表项名称
/// </summary>
private const string IpAddressItem = "IpAddress";
/** <summary>
/// 子网掩码的注册表项名称
/// </summary>
private const string SubnetMaskItem = "Subnetmask";
/** <summary>
/// 默认网关的注册表项名称
/// </summary>
private const string DefaultGatewayItem = "DefaultGageway";
/** <summary>
/// 以太网卡的设备文件名称
/// </summary>
private const string EtherCardFileName = "NDS0:";
/** <summary>
/// 以太网卡的名称
/// </summary>
private static string EtherCardName = string.Empty;
/** <summary>
/// 保存真实的以太网卡IP地址信息的注册表节点
/// </summary>
private static string RealTcpIpRegKeyName = string.Empty;
/** <summary>
/// 在注册表中对IP信息进行修改后，禁用网卡然后重启网卡以应用修改
/// </summary>
public static bool ApplyIpAddress()
{
int hNdis = CreateFile(EtherCardFileName, 0, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, INVALID_HANDLE_VALUE);
if (hNdis == INVALID_HANDLE_VALUE)
{
return false;
}
// Send the device command.
if (DeviceIoControl(hNdis, IOCTL_NDIS_REBIND_ADAPTER, EtherCardName, EtherCardName.Length * 2 + 2, null, 0, 0, 0) == 0)
{
return false;
}
CloseHandle(hNdis);
return true;
}
/** <summary>
/// 获取子网掩码
/// </summary>
/// <returns></returns>
public static string GetSubnetMask()
{
return GetRegValue(SubnetMaskItem, "0.0.0.0");
}
/** <summary>
/// 设置子网掩码
/// </summary>
/// <param name="subnetMask"></param>
/// <returns></returns>
public static bool SetSubnetMask(string subnetMask)
{
if (string.IsNullOrEmpty(subnetMask))
{
throw new ArgumentNullException(subnetMask);
}
return SetRegValue(SubnetMaskItem, subnetMask);
}
/** <summary>
/// 获取IP地址
/// </summary>
/// <returns></returns>
public static string GetIpAddress()
{
return GetRegValue(IpAddressItem, "0.0.0.0");
}
/** <summary>
/// 设置Ip地址
/// </summary>
/// <param name="ip"></param>
public static bool SetIpAddress(string ip)
{
if (string.IsNullOrEmpty(ip))
throw new ArgumentNullException("ip");
return SetRegValue(IpAddressItem, ip);
}
/** <summary>
/// 获得网卡的名称
/// </summary>
/// <returns></returns>
private static string GetEtherCardName()
{
string names = new string(' ', 255);
int bytes = 0;
int fileHandle = CreateFile(EtherCardFileName, 0, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, INVALID_HANDLE_VALUE);
if (fileHandle == INVALID_HANDLE_VALUE)
{
return string.Empty;
}
if (DeviceIoControl2(fileHandle, IOCTL_NDIS_GET_ADAPTER_NAMES, null, 0, names, 255, ref bytes, 0) == 0)
{
return string.Empty;
}
int index = names.IndexOf('');
string result = names.Substring(0, index);
return result;
}
/** <summary>
/// 获取注删表项的值
/// </summary>
private static string GetRegValue(string regItemName, string defaultValue)
{
if (string.IsNullOrEmpty(EtherCardName))
{
EtherCardName = GetEtherCardName();
RealTcpIpRegKeyName = string.Format(TcpIpRegKeyName, EtherCardName);
}
if (!string.IsNullOrEmpty(EtherCardName))
{
try
{
object value = Registry.GetValue(RealTcpIpRegKeyName, regItemName, defaultValue);
if(value!=null)
{
if(value.GetType() == typeof(string))
{
return (string) value;
}
if(value.GetType() == typeof(string[]))
{
return ((string[]) value)[0];
}
}
}
catch (Exception)
{
}
}
return defaultValue;
}
/** <summary>
/// 设置注册表项的值
/// </summary>
private static bool SetRegValue(string regItemName, string value)
{
if (string.IsNullOrEmpty(EtherCardName))
{
EtherCardName = GetEtherCardName();
RealTcpIpRegKeyName = string.Format(TcpIpRegKeyName, EtherCardName);
}
try
{
Registry.SetValue(RealTcpIpRegKeyName, regItemName, value);
return true;
}
catch (Exception)
{
return false;
}
}
}
}

使用方法如下:

// IpHelper类的使用方法
IpHelper.SetIpAddress("192.168.0.111");
IpHelper.SetSubnetMask("192.168.0.111");
IpHelper.ApplyIpAddress();
// 通过修改IPHelper类，也可以实现修改某认网关的信息,因为我的项目不需要，所以未实现。

最后

以上就是笨笨鸵鸟为你收集整理的Wince中修改IP地址而无需重启的全部内容，希望文章能够帮你解决Wince中修改IP地址而无需重启所遇到的程序开发问题。

如果觉得靠谱客网站的内容还不错，欢迎将靠谱客网站推荐给程序员好友。