系统当前进程使用情况

private void button1_Click(object sender, System.EventArgs e)
        {//获取系统当前所有进程
           this.listBox1.Items.Clear();
            Process[] MyProcesses=Process.GetProcesses();
            foreach(Process MyProcess in MyProcesses)
            {
                this.listBox1.Items.Add(MyProcess.ProcessName);               
            }       
            this.listBox1.SelectedIndex=0;
        }

        private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e)
        {//显示选择的系统进程详细信息
            try
            {
                string ProcessName=this.listBox1.Text;
                this.groupBox2.Text=ProcessName+"进程的详细信息";           
                Process[] MyProcess=Process.GetProcessesByName(ProcessName);
                this.label1.Text="进程映像名："+MyProcess[0].ProcessName;
                this.label2.Text="进程ID："+MyProcess[0].Id;
                this.label3.Text="启动线程数："+MyProcess[0].Threads.Count.ToString();
                this.label4.Text="CPU占用时间："+MyProcess[0].TotalProcessorTime.ToString();
                this.label5.Text="线程优先级："+MyProcess[0].PriorityClass.ToString();
                this.label6.Text="启动时间："+MyProcess[0].StartTime.ToLongTimeString();
                this.label7.Text="专用内存："+(MyProcess[0].PrivateMemorySize/1024).ToString()+"K";
                this.label8.Text="峰值虚拟内存："+(MyProcess[0].PeakVirtualMemorySize/1024).ToString()+"K";
                this.label9.Text="峰值分页内存："+(MyProcess[0].PeakPagedMemorySize/1024).ToString()+"K";
                this.label10.Text="分页系统内存："+(MyProcess[0].PagedSystemMemorySize/1024).ToString()+"K";
                this.label11.Text="分页内存："+(MyProcess[0].PagedMemorySize/1024).ToString()+"K";
                this.label12.Text="未分页系统内存："+(MyProcess[0].NonpagedSystemMemorySize/1024).ToString()+"K";
                this.label13.Text="物理内存："+(MyProcess[0].WorkingSet/1024).ToString()+"K";
                this.label14.Text="虚拟内存："+(MyProcess[0].VirtualMemorySize/1024).ToString()+"K";
            }
            catch(Exception Err)
            {
              //不处理产生的异常
            }
        }

        private void Form1_Load(object sender, System.EventArgs e)
        {
          button1_Click(null,null);
        }
       
    }