自制NetMonitor小插件

  1 using System;
  2 using System.Diagnostics;
  3 using System.Drawing;
  4 using System.Runtime.InteropServices;
  5 using System.Windows.Forms;
  6 
  7 namespace NetMonitor
  8 {
  9     public partial class MainForm : Form
 10     {
 11 
 12 
 13         public MainForm()
 14         {
 15             InitializeComponent();
 16         }
 17 
 18         [DllImport("user32.dll")]
 19         public static extern bool ReleaseCapture();
 20         [DllImport("user32.dll")]
 21         public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
 22         public const int WM_SYSCOMMAND = 0x0112;
 23         public const int SC_MOVE = 0xF010;
 24         public const int HTCAPTION = 0x0002;
 25         //获取当前工作区宽度和高度（工作区不包含状态栏）
 26         int ScreenWidth = Screen.PrimaryScreen.WorkingArea.Width;
 27         int ScreenHeight = Screen.PrimaryScreen.WorkingArea.Height;
 28 
 29         [StructLayout(LayoutKind.Sequential)]
 30         internal struct MEMORYSTATUSEX //这个结构用于获得系统信息
 31         {
 32             internal uint dwLength;
 33             internal uint dwMemoryLoad;
 34             internal ulong ullTotalPhys;
 35             internal ulong ullAvailPhys;
 36             internal ulong ullTotalPageFile;
 37             internal ulong ullAvailPageFile;
 38             internal ulong ullTotalVirtual;
 39             internal ulong ullAvailVirtual;
 40         }
 41         [return: MarshalAs(UnmanagedType.Bool)]
 42         [DllImport("kernel32.dll ", CharSet = CharSet.Auto, SetLastError = true)]//调用系统DLL（内存模块使用）
 43         static extern bool GlobalMemoryStatus(ref MEMORYSTATUSEX lpBuffer); //获得系统DLL里的函数
 44 
 45         PerformanceCounter cpuCounter;
 46         //PerformanceCounter ramCounter; //Memory实例
 47 
 48         private void button1_Click(object sender, EventArgs e)//这个是触发事件的按纽
 49         {
 50             
 51          }
 52 
 53         private void MainForm_MouseDown(object sender, MouseEventArgs e)
 54         {
 55             ReleaseCapture();
 56             SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
 57             //下面自动吸附功能
 58             int attract = 10; //启动吸附阈值
 59             if ((this.Location.X + this.Width >= ScreenWidth - attract) && (this.Location.X + this.Width <= ScreenWidth + attract))
 60             {
 61                 int x = ScreenWidth - this.Width;
 62                 int y = this.Location.Y;
 63                 this.Location = new Point(x, y);
 64             }
 65             if ((this.Location.Y + this.Height >= ScreenHeight - attract) && (this.Location.Y + this.Height <= ScreenHeight + attract))
 66             {
 67                 int x = this.Location.X;
 68                 int y = ScreenHeight - this.Height;
 69                 this.Location = new Point(x, y);
 70             }
 71             if ((this.Location.X + 36 >= 0 - attract) && (this.Location.X + 36 <= 0 + attract))
 72             {
 73                 int x = -36;
 74                 int y = this.Location.Y;
 75                 this.Location = new Point(x, y);
 76             }
 77         }
 78 
 79         private void MainForm_Load(object sender, EventArgs e)
 80         {
 81             timer1.Start();
 82             
 83             
 84             //计算窗体显示的坐标值，可以根据需要微调几个像素
 85             int x = ScreenWidth - this.Width;
 86             int y = ScreenHeight - this.Height;
 87             this.Location = new Point(x, y);
 88             this.ShowInTaskbar = false;
 89 
 90             cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total", true);
 91             //ramCounter = new PerformanceCounter("Memory", "Available MBytes");  //看剩余Memory
 92         }
 93 
 94         private void timer1_Tick(object sender, EventArgs e)
 95         {
 96             float netRecv = NetMonitorCore.GetNetRecv();
 97             float netSend = NetMonitorCore.GetNetSend();
 98             MEMORYSTATUSEX vBuffer = new MEMORYSTATUSEX();//实例化结构
 99             GlobalMemoryStatus(ref vBuffer);//给此结构赋值
100             string Memory = Convert.ToString(vBuffer.dwMemoryLoad);
101             string netRecvText = "";
102             string netSendText = "";
103             string netRecvUnit = "";
104             string netSendUnit = "";
105 
106             if (netRecv < 1024 * 1000)
107             {
108                 netRecvText = (netRecv / 1024).ToString("0.00");
109                 netRecvUnit = "KB/s";
110             }
111             else if (netRecv >= 1024 * 1000)
112             {
113                 netRecvText = (netRecv / (1024 * 1024)).ToString("0.00");
114                 netRecvUnit = "MB/s";
115             }
116 
117             if (netSend < 1024 * 1000)
118             {
119                 netSendText = (netSend / 1024).ToString("0.00");
120                 netSendUnit = "KB/s";
121             }
122             else if (netSend >= 1024 * 1000)
123             {
124                 netSendText = (netSend / (1024 * 1024)).ToString("0.00");
125                 netSendUnit = "MB/s";
126             }
127 
128             label1.Text = netSendText;
129             label2.Text = netRecvText;
130             label3.Text = netSendUnit;
131             label4.Text = netRecvUnit;
132             label5.Text = Memory;
133             label7.Text = Convert.ToString(Math.Round(cpuCounter.NextValue(),0));
134         }
135 
136         
137         private void MainForm_MouseUp(object sender, MouseEventArgs e)
138         {
139             this.Hide();
140             this.WindowState = FormWindowState.Minimized;
141         }
142 
143 
144         private void notifyIcon_MouseDoubleClick(object sender, EventArgs e)
145         {
146 
147             if (this.WindowState == FormWindowState.Minimized)
148             {
149                 this.Show();
150                 this.WindowState = FormWindowState.Normal;
151                 //this.notifyIcon1.Visible = true;
152                 //this.ShowInTaskbar = true;
153                 this.notifyIcon1.Text = "双击隐藏网速检测";
154                 return;
155             }
156             if (this.WindowState == FormWindowState.Normal)
157             {
158                 this.Hide();
159                 this.WindowState = FormWindowState.Minimized;
160                 //this.notifyIcon1.Visible = true;
161                 //this.ShowInTaskbar = false;
162                 this.notifyIcon1.Text = "双击显示网速检测";
163             }
164         }
165 
166         private void F_Main_FormClosing(object sender, FormClosingEventArgs e)
167         {
168          
169             this.Dispose();
170             this.Close();
171          }
172         
173 
174 
175         private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
176         {
177            
178             this.Dispose();
179             this.Close();
180 
181         }
182 
183         private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)
184         {
185             About aboutDialog = new About();
186             aboutDialog.ShowDialog();
187         }
188 
189         private void label3_Click(object sender, EventArgs e)
190         {
191 
192         }
193 
194         private void 帮助ToolStripMenuItem_Click(object sender, EventArgs e)
195         {
196                 helpDialog helpDialog = new helpDialog();
197                 helpDialog.ShowDialog();
198         }
199 
200         private void 右下角ToolStripMenuItem_Click(object sender, EventArgs e)
201         {
202             //计算窗体显示的坐标值，可以根据需要微调几个像素
203             int x = ScreenWidth - this.Width;
204             int y = ScreenHeight - this.Height;
205             this.Location = new Point(x, y);
206             this.Show();
207             this.WindowState = FormWindowState.Normal;
208         }
209 
210         private void 右上角ToolStripMenuItem_Click(object sender, EventArgs e)
211         {
212             int x = ScreenWidth - this.Width;
213             int y = 0;
214             this.Location = new Point(x, y);
215             this.Show();
216             this.WindowState = FormWindowState.Normal;
217         }
218 
219         private void 左下角ToolStripMenuItem_Click(object sender, EventArgs e)
220         {
221             int x = -36;
222             int y = ScreenHeight - this.Height;
223             this.Location = new Point(x, y);
224             this.Show();
225             this.WindowState = FormWindowState.Normal;
226         }
227 
228         private void 左上角ToolStripMenuItem_Click(object sender, EventArgs e)
229         {
230             int x = -36;
231             int y = 0;
232             this.Location = new Point(x, y);
233             this.Show();
234             this.WindowState = FormWindowState.Normal;
235         }
236 
237     }
238 }

 1 using System.Diagnostics;
 2 
 3 namespace NetMonitor
 4 {
 5     static class NetMonitorCore
 6     {
 7         private static PerformanceCounterCategory performanceCounterCategory = new PerformanceCounterCategory("Network Interface");
 8         private static string instance = performanceCounterCategory.GetInstanceNames()[1];
 9         private static int interfaceLength = instance.Length;
10         private static PerformanceCounter performanceCounterRecv = new PerformanceCounter("Network Interface", "Bytes Received/sec", instance);
11         private static PerformanceCounter performanceCounterSend = new PerformanceCounter("Network Interface", "Bytes Sent/sec", instance);
12 
13         public static float GetNetRecv()
14         {
15             return performanceCounterRecv.NextValue();
16         }
17 
18         public static float GetNetSend()
19         {
20             return performanceCounterSend.NextValue();
21         }
22     }
23 }