C#改IP

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Management;
using System.Runtime.InteropServices;

namespace WindowsApplication2
...{
    /**//**//**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.Button button1;
        /**//**//**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        [DllImport("kernel32.dll",EntryPoint="SetComputerNameEx")] 
        public static extern int apiSetComputerNameEx(int iType,string lpComputerName); //这个函数用来改计算机名

        public Form1()
        ...{
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /**//**//**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        /**//**//**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        ...{
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(8, 16);
            this.textBox1.Name = "textBox1";
            this.textBox1.TabIndex = 0;
            this.textBox1.Text = "xxx";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(16, 48);
            this.button1.Name = "button1";
            this.button1.TabIndex = 1;
            this.button1.Text = "改IP";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AcceptButton = this.button1;
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(120, 85);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.textBox1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);

        }

        /**//**//**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        ...{
            Application.Run(new Form1());
        }

        private void button1_Click(object sender, System.EventArgs e)
        ...{
            this.chktb();
        }
        
        //这个函数主要是用来检查textbox里输入的内容.
        public void chktb()
        ...{
            string str=textBox1.Text;//计算机名
            string strip="";//IP的最后一位
            try
            ...{
                int a=int.Parse(str);
                strip=str;
                if(a>5811)
                ...{
                    MessageBox.Show("输入的格式不对，请重新输入");
                    textBox1.Text="";
                    return;
                }
                if(a<10)
                ...{
                    str="00"+a.ToString();
                }
                else if(a<100)
                ...{
                    str="0"+a.ToString();
                }
                str="XX"+str;            
            }
            catch
            ...{
                switch(str)
                ...{
                    case "北京大学A":
                        str="北京大学A";
                        strip="166";
                        break;
                    case "北京大学B":
                        str="北京大学B";
                        strip="167";
                        break;
                    case "清华大学A":
                        str="清华大学A";
                        strip="174";
                        break;
                    case "清华大学B":
                        str="清华大学B";
                        strip="175";
                        break;
                    case "复旦大学A":
                        str="复旦大学A";
                        strip="168";
                        break;
                    case "复旦大学B":
                        str="复旦大学B";
                        strip="169";
                        break;
                    case "浙江大学A":
                        str="浙江大学A";
                        strip="176";
                        break;
                    case "浙江大学B":
                        str="浙江大学B";
                        strip="177";
                        break;
                    case "上海交大A":
                        str="上海交大A";
                        strip="180";
                        break;
                    case "上海交大B":
                        str="上海交大B";
                        strip="181";
                        break;
                    default:
                        MessageBox.Show("请输入正确的名字");
                        textBox1.Text="";
                        return;
                }
            }
            //改计算机名，上面调用了一个winapi:setcomputernameEx
            apiSetComputerNameEx(5,str);
            this.changenet(strip);
        }

        //这个函数读取textbox里的内容，然后通过里面的内容来更改计算机的IP，网关，dns，及计算机名
        public void changenet(string strip)
        ...{
            ManagementBaseObject ib=null;
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection qc = mc.GetInstances();
            foreach( ManagementObject obj in qc)
            ...{
                if(!(bool)obj["IPEnabled"])//如果网卡没有激活的话就跳过
                    continue;
                if(int.Parse(((string)obj["Caption"]).Substring(1,8))>100)//这里主要是为了区别物理网卡和拔号连接
                    continue;
                //这里改IP
                ib=obj.GetMethodParameters("EnableStatic");
                if(int.Parse(strip)>200)//当计算机的名字大于200号的时候,自动将IP的第三位改成1;
                ...{
                    string[] ipstrs=...{"192.168.1."+strip.Substring(1,2)};
                    ib["IPAddress"]=new string[]...{"192.168.1."+strip.Substring(1,2)};
                    ib["SubnetMask"]=new string[]...{"255.255.248.0"};
                }
                else
                ...{
                    ib["IPAddress"]=new string[]...{"192.168.0."+strip};
                    ib["SubnetMask"]=new string[]...{"255.255.248.0"};
                }
                obj.InvokeMethod("EnableStatic",ib,null);
                //改网关
                ib=obj.GetMethodParameters("SetGateways");
                ib["DefaultIPGateway"]=new string[]...{"192.168.0.1"};
                obj.InvokeMethod("SetGateways",ib,null);
                //改DNS
                ib=obj.GetMethodParameters("SetDNSServerSearchOrder");
                ib["DNSServerSearchOrder"]=new string[]...{"202.103.44.150","202.103.24.68"};
                obj.InvokeMethod("SetDNSServerSearchOrder",ib,null);                
            }
        }
    }
}

 

用wmi出问题就用下面的

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using Microsoft.Win32;

namespace WindowsApplication2
...{
    /**//**//**//// <summary>
    /// Form1 的摘要说明。
    /// </summary>
    public class Form1 : System.Windows.Forms.Form
    ...{
        private System.Windows.Forms.TextBox textBox1;
        private System.Windows.Forms.Button button1;
        /**//**//**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        [DllImport("kernel32.dll",EntryPoint="SetComputerNameEx")] 
        public static extern int apiSetComputerNameEx(int iType,string lpComputerName); //这个函数用来改计算机名

        [StructLayout(LayoutKind.Sequential, Pack = 1)]
            internal struct TokPriv1Luid
        ...{
            public int Count;
            public long Luid;
            public int Attr;
        }

        [DllImport("kernel32.dll", ExactSpelling = true)]
        internal static extern IntPtr GetCurrentProcess();
  
        [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
        internal static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);
  
        [DllImport("advapi32.dll", SetLastError = true)]
        internal static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);
  
        [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
        internal static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall,
            ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen);

        [DllImport("user32.dll")]
        public static extern bool ExitWindowsEx(int uFlags, int dwReason);
        internal const int SE_PRIVILEGE_ENABLED = 0x00000002;
        internal const int TOKEN_QUERY = 0x00000008;
        internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
        internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
        internal const int EWX_LOGOFF = 0x00000000;
        internal const int EWX_SHUTDOWN = 0x00000001;
        internal const int EWX_REBOOT = 0x00000002;
        internal const int EWX_FORCE = 0x00000004;
        internal const int EWX_POWEROFF = 0x00000008;
        internal const int EWX_FORCEIFHUNG = 0x00000010;

        private static void DoExitWin(int DoFlag)
        ...{

            bool ok;
            TokPriv1Luid tp;
            IntPtr hproc = GetCurrentProcess();
            IntPtr htok = IntPtr.Zero;
            ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
            tp.Count = 1;
            tp.Luid = 0;
            tp.Attr = SE_PRIVILEGE_ENABLED;
            ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
            ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
            ok = ExitWindowsEx(DoFlag, 0);
        }

        public Form1()
        ...{
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
        }

        /**//**//**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        ...{
            if( disposing )
            ...{
                if (components != null) 
                ...{
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        /**//**//**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        ...{
            this.textBox1 = new System.Windows.Forms.TextBox();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // textBox1
            // 
            this.textBox1.Location = new System.Drawing.Point(8, 16);
            this.textBox1.Name = "textBox1";
            this.textBox1.TabIndex = 0;
            this.textBox1.Text = "xxx";
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(16, 48);
            this.button1.Name = "button1";
            this.button1.TabIndex = 1;
            this.button1.Text = "改IP";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AcceptButton = this.button1;
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(120, 85);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.textBox1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);

        }

        /**//**//**//// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main() 
        ...{
            Application.Run(new Form1());
        }

        private void button1_Click(object sender, System.EventArgs e)
        ...{
            this.chktb();
            DialogResult dr=MessageBox.Show("提示","OK!",MessageBoxButtons.OK);
            if(dr==DialogResult.OK)
                DoExitWin(EWX_FORCE | EWX_REBOOT);
        }
        
        //这个函数主要是用来检查textbox里输入的内容.
        public void chktb()
        ...{
            string str=textBox1.Text;//计算机名
            string strip="";//IP的最后一位
            try
            ...{
                int a=int.Parse(str);
                strip=str;
                if(a>5811)
                ...{
                    MessageBox.Show("输入的格式不对，请重新输入");
                    textBox1.Text="";
                    return;
                }
                if(a<10)
                ...{
                    str="00"+a.ToString();
                }
                else if(a<100)
                ...{
                    str="0"+a.ToString();
                }
                str="XX"+str;            
            }
            catch
            ...{
                switch(str)
                ...{
                    case "北京大学A":
                        str="北京大学A";
                        strip="166";
                        break;
                    case "北京大学B":
                        str="北京大学B";
                        strip="167";
                        break;
                    case "清华大学A":
                        str="清华大学A";
                        strip="174";
                        break;
                    case "清华大学B":
                        str="清华大学B";
                        strip="175";
                        break;
                    case "复旦大学A":
                        str="复旦大学A";
                        strip="168";
                        break;
                    case "复旦大学B":
                        str="复旦大学B";
                        strip="169";
                        break;
                    case "浙江大学A":
                        str="浙江大学A";
                        strip="176";
                        break;
                    case "浙江大学B":
                        str="浙江大学B";
                        strip="177";
                        break;
                    case "上海交大A":
                        str="上海交大A";
                        strip="180";
                        break;
                    case "上海交大B":
                        str="上海交大B";
                        strip="181";
                        break;
                    default:
                        MessageBox.Show("请输入正确的名字");
                        textBox1.Text="";
                        return;
                }
            }
            //改计算机名，上面调用了一个winapi:setcomputernameEx
            apiSetComputerNameEx(5,str);
            this.changenet(strip);
        }

        //这个函数读取textbox里的内容，然后通过里面的内容来更改计算机的IP，网关，dns，及计算机名
        public void changenet(string strip)
        ...{
            RegistryKey hklm=Registry.LocalMachine;
            RegistryKey rkip=hklm.CreateSubKey("System").CreateSubKey("CurrentControlSet").
                CreateSubKey("Services").CreateSubKey("Tcpip").CreateSubKey("Parameters").CreateSubKey("Interfaces");
            string []strs=rkip.GetSubKeyNames();
            foreach(string str in strs)
            ...{
                if(rkip.OpenSubKey(str).GetValue("AddressType")==null)
                    continue;
                rkip.CreateSubKey(str).SetValue("DefaultGateway",new string[]...{"192.168.0.1"});
                if(int.Parse(strip)>200)//当计算机的名字大于200号的时候,自动将IP的第三位改成1;
                ...{
                    string[] ipstrs=...{"192.168.1."+int.Parse(strip.Substring(1,2)).ToString()};
                    rkip.CreateSubKey(str).SetValue("IPAddress",ipstrs);
                }
                else
                ...{
                    string[] ipstrs=...{"192.168.0."+int.Parse(strip).ToString()};
                    rkip.CreateSubKey(str).SetValue("IPAddress",ipstrs);
                }                
                rkip.CreateSubKey(str).SetValue("NameServer","202.103.44.150,202.103.24.68");
                rkip.CreateSubKey(str).SetValue("SubnetMask",new string[]...{"255.255.248.0"});
            }
        }
    }
}