Example of C # Ping, can be used to test the network, delay xx milliseconds

usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Net.NetworkInformation;namespacepingexample{ Public Partial classForm1:form {#regionDesign/// <summary>        ///the required designer variables. /// </summary>        PrivateSystem.ComponentModel.IContainer components =NULL; /// <summary>        ///clean up all the resources that are in use. /// </summary>        /// <param name= "disposing" >true if the managed resource should be disposed, otherwise false. </param>        protected Override voidDispose (BOOLdisposing) {            if(Disposing && (Components! =NULL) ) {components.            Dispose (); }            Base.        Dispose (disposing); }        #regionCode generated by the Windows Forms Designer/// <summary>        ///The Designer supports the required method-do not///Use the Code Editor to modify the contents of this method. /// </summary>        Private voidInitializeComponent () { This. Label1 =NewSystem.Windows.Forms.Label ();  This. Label2 =NewSystem.Windows.Forms.Label ();  This. txt_ipaddress =NewSystem.Windows.Forms.TextBox ();  This. Lst_pingresult =NewSystem.Windows.Forms.ListBox ();  This. btn_startping =NewSystem.Windows.Forms.Button ();  This.            SuspendLayout (); //             //Label1//              This. Label1. AutoSize =true;  This. Label1. Location =NewSystem.Drawing.Point ( -, -);  This. Label1. Name ="Label1";  This. Label1. Size =NewSystem.Drawing.Size ( the, A);  This. Label1. TabIndex =0;  This. Label1. Text ="Remote Host IP:"; //             //Label2//              This. Label2. AutoSize =true;  This. Label2. Location =NewSystem.Drawing.Point ( -, A);  This. Label2. Name ="Label2";  This. Label2. Size =NewSystem.Drawing.Size ( $, A);  This. Label2. TabIndex =1;  This. Label2. Text ="Test Results:"; //             //txt_ipaddress//              This. txt_ipaddress.location =NewSystem.Drawing.Point (113, +);  This. Txt_ipaddress.name ="txt_ipaddress";  This. txt_ipaddress.size =NewSystem.Drawing.Size (148, +);  This. Txt_ipaddress.tabindex =2; //             //Lst_pingresult//              This. lst_pingresult.formattingenabled =true;  This. Lst_pingresult.itemheight = A;  This. lst_pingresult.location =NewSystem.Drawing.Point ( +, the);  This. Lst_pingresult.name ="Lst_pingresult";  This. lst_pingresult.size =NewSystem.Drawing.Size (229,136);  This. Lst_pingresult.tabindex =3; //             //btn_startping//              This. btn_startping.location =NewSystem.Drawing.Point ( the,239);  This. Btn_startping.name ="btn_startping";  This. btn_startping.size =NewSystem.Drawing.Size ( the, at);  This. Btn_startping.tabindex =4;  This. Btn_startping.text ="Ping";  This. Btn_startping.usevisualstylebackcolor =true;  This. Btn_startping.click + =NewSystem.EventHandler ( This. Btn_startping_click); //             //Form1//              This. Autoscaledimensions =NewSystem.Drawing.SizeF (6F, 12F);  This. AutoScaleMode =System.Windows.Forms.AutoScaleMode.Font;  This. ClientSize =NewSystem.Drawing.Size (292,284);  This. Controls.Add ( This. btn_startping);  This. Controls.Add ( This. Lst_pingresult);  This. Controls.Add ( This. txt_ipaddress);  This. Controls.Add ( This. Label2);  This. Controls.Add ( This. Label1);  This. Name ="Form1";  This. Text ="use of the ping class";  This. ResumeLayout (false);  This.        PerformLayout (); }        #endregion        PrivateSystem.Windows.Forms.Label Label1; PrivateSystem.Windows.Forms.Label Label2; PrivateSystem.Windows.Forms.TextBox txt_ipaddress; PrivateSystem.Windows.Forms.ListBox Lst_pingresult; PrivateSystem.Windows.Forms.Button btn_startping; #endregion         PublicForm1 () {InitializeComponent (); }        Private voidBtn_startping_click (Objectsender, EventArgs e) {             This. Lst_PingResult.Items.Clear (); //Remote server IP            stringIpstr =txt_IPAddress.Text.ToString ().            Trim (); //Constructing a Ping instancePing Pingsender =NewPing (); //Ping Option SettingsPingOptions options =Newpingoptions (); Options. Dontfragment=true; //test Data            stringdata =""; byte[] buffer =Encoding.ASCII.GetBytes (data); //setting the time-out period            intTimeout = -; //Call the synchronous send method to send the data and save the returned result to the Pingreply instancepingreply reply =pingsender.send (IPSTR, timeout, buffer, options); if(reply. Status = =ipstatus.success) {LST_PINGRESULT.ITEMS.ADD ("host address of the reply:"+reply.                Address.tostring ()); LST_PINGRESULT.ITEMS.ADD ("round-Trip time:"+reply.                Roundtriptime); LST_PINGRESULT.ITEMS.ADD ("Time to Live (TTL):"+reply.                OPTIONS.TTL); LST_PINGRESULT.ITEMS.ADD ("whether to control fragmentation of the packet:"+reply.                Options.dontfragment); LST_PINGRESULT.ITEMS.ADD ("Buffer Size:"+reply.            Buffer.length); }            ElseLst_PingResult.Items.Add (reply.        Status.tostring ()); }    }}

Example of C # Ping, can be used to test the network, delay xx milliseconds