NetMonitor V1.0发布！

　

netmonitor

下载链接：http://pan.baidu.com/s/1jImlFFK 

提取密码：sigy

解压密码：shawn

写在前面：

这个东西是我在网上看了些教程以及源代码，如果您觉得侵权或者有趣都请您与我联系，这里也是班门弄斧，第一次开发小程序，难免会有很多BUG，还请海涵以及多多指正！

本软件基本功能有：

1. 检测网速

2. 查看内存以及cpu使用率

基本界面如下图所示：

它们的含义：

蛮好用的，日常使用，不怎么占用空间，第一次做这种东西，还请多多指教！

下面是MainForm：

using System;
using System.Diagnostics;
using System.Drawing;
using System.runtime.InteropServices;
using System.windows.Forms;

namespace netmonitor
{
    public partial class MainForm : Form
    {


        public MainForm()
        {
            Initializecomponent();
        }

        [DllImport("user32.dll")]
        public static extern bool releasecapture();
        [DllImport("user32.dll")]
        public static extern bool Sendmessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
        public const int WM_SYScommaND = 0x0112;
        public const int SC_MOVE = 0xF010;
        public const int HTCAPTION = 0x0002;
        //获取当前工作区宽度和高度（工作区不包含状态栏）
        int ScreenWidth = Screen.PrimaryScreen.WorkingArea.Width;
        int ScreenHeight = Screen.PrimaryScreen.WorkingArea.Height;

        [structlayout(LayoutKind.Sequential)]
        internal struct MEMORYSTATUSEX //这个结构用于获得系统信息
        {
            internal uint dwLength;
            internal uint dwMemoryLoad;
            internal ulong ullTotalPhys;
            internal ulong ullAvailPhys;
            internal ulong ullTotalPageFile;
            internal ulong ullAvailPageFile;
            internal ulong ullTotalvirtual;
            internal ulong ullAvailVirtual;
        }
        [return: MarshalAs(UnmanagedType.Bool)]
        [DllImport("kernel32.dll ", CharSet = CharSet.Auto, SetLastERROR = true)]//调用系统DLL（内存模块使用）
        static extern bool GlobalMemoryStatus(ref MEMORYSTATUSEX lpBuffer); //获得系统DLL里的函数

        PerformanceCounter cpuCounter;
        //PerformanceCounter ramCounter; //Memory实例

        private void button1_Click(object sender, EventArgs e)//这个是触发事件的按纽
        {
            
         }

        private void MainForm_MouseDown(object sender, MouseEventArgs e)
        {
            ReleaseCapture();
            SendMessage(this.handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
            //下面自动吸附功能
            int attract = 10; //启动吸附阈值
            if ((this.Location.X + this.Width >= ScreenWidth - attract) && (this.Location.X + this.Width <= ScreenWidth + attract))
            {
                int x = ScreenWidth - this.Width;
                int y = this.Location.Y;
                this.Location = new Point(x, y);
            }
            if ((this.Location.Y + this.Height >= ScreenHeight - attract) && (this.Location.Y + this.Height <= ScreenHeight + attract))
            {
                int x = this.Location.X;
                int y = ScreenHeight - this.Height;
                this.Location = new Point(x, y);
            }
            if ((this.Location.X + 36 >= 0 - attract) && (this.Location.X + 36 <= 0 + attract))
            {
                int x = -36;
                int y = this.Location.Y;
                this.Location = new Point(x, y);
            }
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            timer1.Start();
            
            
            //计算窗体显示的坐标值，可以根据需要微调几个像素
            int x = ScreenWidth - this.Width;
            int y = ScreenHeight - this.Height;
            this.Location = new Point(x, y);
            this.ShowInTaskbar = false;

            cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total", true);
            //ramCounter = new PerformanceCounter("Memory", "Available MBytes");  //看剩余Memory
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            float netRecv = NetMonitorCore.GetNetRecv();
            float netSend = NetMonitorCore.GetNetSend();
            MEMORYSTATUSEX vBuffer = new MEMORYSTATUSEX();//实例化结构
            GlobalMemoryStatus(ref vBuffer);//给此结构赋值
            string Memory = Convert.ToString(vBuffer.dwMemoryLoad);
            string netRecvText = "";
            string netSendText = "";
            string netRecvUnit = "";
            string netSendUnit = "";

            if (netRecv < 1024 * 1000)
            {
                netRecvText = (netRecv / 1024).ToString("0.00");
                netRecvUnit = "KB/s";
            }
            else if (netRecv >= 1024 * 1000)
            {
                netRecvText = (netRecv / (1024 * 1024)).ToString("0.00");
                netRecvUnit = "MB/s";
            }

            if (netSend < 1024 * 1000)
            {
                netSendText = (netSend / 1024).ToString("0.00");
                netSendUnit = "KB/s";
            }
            else if (netSend >= 1024 * 1000)
            {
                netSendText = (netSend / (1024 * 1024)).ToString("0.00");
                netSendUnit = "MB/s";
            }

            label1.Text = netSendText;
            label2.Text = netRecvText;
            label3.Text = netSendUnit;
            label4.Text = netRecvUnit;
            label5.Text = Memory;
            label7.Text = Convert.ToString(Math.Round(cpuCounter.nextvalue(),0));
        }

        
        private void MainForm_MouseUp(object sender, MouseEventArgs e)
        {
            this.Hide();
            this.WindowState = FormWindowState.Minimized;
        }


        private void notifyIcon_MouseDoubleClick(object sender, EventArgs e)
        {

            if (this.WindowState == FormWindowState.minimized)
            {
                this.Show();
                this.WindowState = FormWindowState.Normal;
                //this.notifyIcon1.Visible = true;
                //this.ShowInTaskbar = true;
                this.notifyIcon1.Text = "双击隐藏网速检测";
                return;
            }
            if (this.WindowState == FormWindowState.Normal)
            {
                this.Hide();
                this.WindowState = FormWindowState.Minimized;
                //this.notifyIcon1.Visible = true;
                //this.ShowInTaskbar = false;
                this.notifyIcon1.Text = "双击显示网速检测";
            }
        }

        private void F_Main_FormClosing(object sender, FormClosingEventArgs e)
        {
         
            this.Dispose();
            this.Close();
         }
        


        private void 退出ToolstripMenuItem_Click(object sender, EventArgs e)
        {
           
            this.Dispose();
            this.Close();

        }

        private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            About aboutDialog = new About();
            aboutDialog.ShowDialog();
        }

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void 帮助ToolStripMenuItem_Click(object sender, EventArgs e)
        {
                helpDialog helpDialog = new helpDialog();
                helpDialog.ShowDialog();
        }

        private void 右下角ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //计算窗体显示的坐标值，可以根据需要微调几个像素
            int x = ScreenWidth - this.Width;
            int y = ScreenHeight - this.Height;
            this.Location = new Point(x, y);
            this.Show();
            this.WindowState = FormWindowState.Normal;
        }

        private void 右上角ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            int x = ScreenWidth - this.Width;
            int y = 0;
            this.Location = new Point(x, y);
            this.Show();
            this.WindowState = FormWindowState.Normal;
        }

        private void 左下角ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            int x = -36;
            int y = ScreenHeight - this.Height;
            this.Location = new Point(x, y);
            this.Show();
            this.WindowState = FormWindowState.Normal;
        }

        private void 左上角ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            int x = -36;
            int y = 0;
            this.Location = new Point(x, y);
            this.Show();
            this.WindowState = FormWindowState.Normal;
        }

    }
}

下面是NetMonitorCore：

using System.Diagnostics;

namespace NetMonitor
{
    static class NetMonitorCore
    {
        private static PerformanceCounterCategory performanceCounterCategory = new PerformanceCounterCategory("Network Interface");
        private static string instance = performanceCounterCategory.GetInstanceNames()[1];
        private static int interfaceLength = instance.Length;
        private static PerformanceCounter performanceCounterRecv = new PerformanceCounter("Network Interface", "Bytes Received/sec", instance);
        private static PerformanceCounter performanceCounterSend = new PerformanceCounter("Network Interface", "Bytes Sent/sec", instance);

        public static float GetNetRecv()
        {
            return performanceCounterRecv.NextValue();
        }

        public static float GetNetSend()
        {
            return performanceCounterSend.NextValue();
        }
    }
}

上面就是主要代码。

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