实例介绍
【实例简介】获取电脑上传下载速度
【实例截图】
【核心代码】NetworkMonitor.dll
using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using Echevil; namespace Network_Monitor_Sample { /// <summary> /// Summary description for Form1. /// </summary> public class FormMain : System.Windows.Forms.Form { private System.Windows.Forms.Label LabelDownload; private System.Windows.Forms.Label LabelUpload; private System.Windows.Forms.Label LableDownloadValue; private System.Windows.Forms.Label LabelUploadValue; private System.Windows.Forms.ListBox ListAdapters; private System.Windows.Forms.Timer TimerCounter; private System.ComponentModel.IContainer components; public FormMain() { InitializeComponent(); } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if (components != null) { components.Dispose(); } } base.Dispose( disposing ); } #region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); this.ListAdapters = new System.Windows.Forms.ListBox(); this.LabelDownload = new System.Windows.Forms.Label(); this.LabelUpload = new System.Windows.Forms.Label(); this.LableDownloadValue = new System.Windows.Forms.Label(); this.LabelUploadValue = new System.Windows.Forms.Label(); this.TimerCounter = new System.Windows.Forms.Timer(this.components); this.SuspendLayout(); // // ListAdapters // this.ListAdapters.ItemHeight = 12; this.ListAdapters.Location = new System.Drawing.Point(19, 26); this.ListAdapters.Name = "ListAdapters"; this.ListAdapters.Size = new System.Drawing.Size(250, 76); this.ListAdapters.TabIndex = 0; this.ListAdapters.SelectedIndexChanged = new System.EventHandler(this.ListAdapters_SelectedIndexChanged); // // LabelDownload // this.LabelDownload.Location = new System.Drawing.Point(272, 26); this.LabelDownload.Name = "LabelDownload"; this.LabelDownload.Size = new System.Drawing.Size(120, 25); this.LabelDownload.TabIndex = 1; this.LabelDownload.Text = "Download Speed:"; this.LabelDownload.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // LabelUpload // this.LabelUpload.Location = new System.Drawing.Point(272, 77); this.LabelUpload.Name = "LabelUpload"; this.LabelUpload.Size = new System.Drawing.Size(120, 25); this.LabelUpload.TabIndex = 2; this.LabelUpload.Text = "Upload Speed:"; this.LabelUpload.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // LableDownloadValue // this.LableDownloadValue.Location = new System.Drawing.Point(388, 26); this.LableDownloadValue.Name = "LableDownloadValue"; this.LableDownloadValue.Size = new System.Drawing.Size(120, 25); this.LableDownloadValue.TabIndex = 3; this.LableDownloadValue.TextAlign = System.Drawing.ContentAlignment.MiddleLeft; // // LabelUploadValue // this.LabelUploadValue.Location = new System.Drawing.Point(388, 78); this.LabelUploadValue.Name = "LabelUploadValue"; this.LabelUploadValue.Size = new System.Drawing.Size(120, 25); this.LabelUploadValue.TabIndex = 4; this.LabelUploadValue.TextAlign = System.Drawing.ContentAlignment.MiddleLeft; // // TimerCounter // this.TimerCounter.Interval = 1000; this.TimerCounter.Tick = new System.EventHandler(this.TimerCounter_Tick); // // FormMain // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(520, 134); this.Controls.Add(this.LabelUploadValue); this.Controls.Add(this.LableDownloadValue); this.Controls.Add(this.LabelUpload); this.Controls.Add(this.LabelDownload); this.Controls.Add(this.ListAdapters); this.Name = "FormMain"; this.Text = "实时显示上传下载速率"; this.Load = new System.EventHandler(this.FormMain_Load); this.ResumeLayout(false); } #endregion /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new FormMain()); } private NetworkAdapter[] adapters; private NetworkMonitor monitor; private void FormMain_Load(object sender, System.EventArgs e) { monitor = new NetworkMonitor(); this.adapters = monitor.Adapters; if(adapters.Length == 0) { this.ListAdapters.Enabled = false; MessageBox.Show("No network adapters found on this computer."); return; } this.ListAdapters.Items.AddRange(this.adapters); } private void ListAdapters_SelectedIndexChanged(object sender, System.EventArgs e) { monitor.StopMonitoring(); monitor.StartMonitoring(adapters[this.ListAdapters.SelectedIndex]); this.TimerCounter.Start(); } private void TimerCounter_Tick(object sender, System.EventArgs e) { NetworkAdapter adapter = this.adapters[this.ListAdapters.SelectedIndex]; this.LableDownloadValue.Text = String.Format("{0:n} kbps",adapter.DownloadSpeedKbps); this.LabelUploadValue.Text = String.Format("{0:n} kbps",adapter.UploadSpeedKbps); } } }
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