C#进程操作

一些常规的操作，附上代码，相信你能看懂。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;

namespace Windows
{
        public partial class Form2 : Form
        {
                public Form2()
                {
                        InitializeComponent();
                }

                private void button1_Click(object sender, EventArgs e)
                {
                        if (textBox2.Text.Length == 0)
                        {
                                MessageBox.Show("请输入你查询的内容", "空值提示");
                        }
                        else
                        {
                                textBox1.Text = "";
                                int pid = Convert.ToInt32(textBox2.Text);
                                try    
                                {
                                        Process proc;
                                        proc = Process.GetProcessById(pid);//跟据进程ID获得进程
                                        textBox1.Text=proc.ToString()+"\r\n";
                                }
                                catch
                                {
                                        MessageBox.Show("没有你要查看的进程","错误");
                                }
                        }
                }
                public    void processall()
                {
                        Process[] proc = Process.GetProcesses("netmaster");
                        foreach (Process p in proc)
                        {
                                string info = string.Format("->进程ID：{0}\t进程名字：{1}", p.Id, p.ProcessName);
                                this.textBox1.Text += info + "\r\n";
                        }
                }
                private void button3_Click(object sender, EventArgs e)
                {
                        if (textBox2.Text.Length == 0)
                        {
                                MessageBox.Show("请输入你查询的内容", "空值提示");
                        }
                        else
                        {
                                textBox1.Text = "";
                                int pid = Convert.ToInt32(textBox2.Text);
                                Process proc;
                                try
                                {
                                        proc = Process.GetProcessById(pid);
                                        textBox1.Text += "模块话进程：'" + proc.ProcessName + "'\r\n";
                                }
                                catch
                                {
                                        MessageBox.Show("没有你要查看的进程", "错误");
                                        return;
                                }
                                try
                                {
                                        ProcessModuleCollection module = proc.Modules;
                                        foreach (ProcessModule m in module)
                                        {
                                                string info = string.Format("模块名字：{0}\r\n模块文件的完整路径：{1}\r\n模块的内存地址：{2}", m.ModuleName, m.FileName, m.BaseAddress);
                                                textBox1.Text += info + "\r\n";
                                        }
                                }
                                catch
                                {
                                        MessageBox.Show("没有模块信息", "错误");
                                        return;
                                }
                        }
                }

                private void Form2_Load(object sender, EventArgs e)
                {
                        processall();
                }

                private void textBox2_KeyPress(object sender, KeyPressEventArgs e)
                {
                        e.Handled = e.KeyChar < '0' || e.KeyChar > '9';
                        if (e.KeyChar == (char)8)
                        {
                                e.Handled = false;
                                MessageBox.Show("输入的字符不合格","错误");
                        }
                }

                private void button2_Click(object sender, EventArgs e)
                {
                        if (this.textBox2.Text.Length == 0)
                        {
                                MessageBox.Show("请输入您要查询的进程ID", "空值类型"); ;
                        }
                        else
                        {
                                textBox1.Text = "";
                                int pid = Convert.ToInt32(textBox2.Text);
                                Process proc;
                                try
                                {
                                        proc = Process.GetProcessById(pid);
                                }
                                catch
                                {
                                        MessageBox.Show("没有你要查看的进程纯种集合", "错误");
                                        return;
                                }
                                try
                                {
                                        this.textBox1.Text = "进程名：'" + proc.ProcessName + "'";
                                        ProcessThreadCollection threads = proc.Threads;
                                        foreach (ProcessThread p in threads)
                                        {
                                                string info = string.Format("->线程ID：{0}\t开始时间：{1}\t优先级别：{2}", p.Id, p.StartTime, p.PriorityLevel);
                                                textBox1.Text += info + "\r\n";
                                        }
                                }
                                catch
                                {
                                        MessageBox.Show("系统进程！", "系统错误");
                                }
                        }
                }

                private void button4_Click(object sender, EventArgs e)
                {
                        button1.Enabled = true;
                        button2.Enabled = true;
                        button3.Enabled = true;
                        string name = textBox2.Text;
                        try
                        {
                                textBox2.Text = "";
                                Process proc;
                                proc = Process.Start(name);
                                textBox2.Text = proc.Id.ToString();
                        }
                        catch
                        {
                                MessageBox.Show("没有你要打开的进程！", "输入错误");
                        }
                }

                private void button5_Click(object sender, EventArgs e)
                {
                        button1.Enabled = false;
                        button2.Enabled = false;
                        button3.Enabled = false;
                        openFileDialog1.Filter = "文本文件(*.txt)|*.txt|所有文件(*.*)|*.*|可执行文件(*.exe)|*.exe";
                        DialogResult db = openFileDialog1.ShowDialog();
                        if (db == DialogResult.OK)
                        {
                                string str = openFileDialog1.FileName;
                                textBox2.Text = str;
                        }
                }

                private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
                {

                }
        }
}