using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Diagnostics;
using System.Management;
namespace A._2
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
int fileIndex = 1;
string filename = "Notepad";
List<Data> list=new List<Data>();
public MainWindow()
{
InitializeComponent();
}
private void btnStart_Click(object sender, RoutedEventArgs e)
{
string arguement = Environment.CurrentDirectory + "myfile" + (fileIndex) + ".txt";
if (File.Exists(arguement) == false)
{
File.CreateText(arguement);
}
Process p = new Process();
p.StartInfo.FileName = filename;
p.StartInfo.Arguments = arguement;
p.StartInfo.UseShellExecute = false;
p.StartInfo.WindowStyle = ProcessWindowStyle.Normal;
p.Start();
p.WaitForInputIdle();
RefreshProcessInfo();
}
private void btnStop_Click(object sender, RoutedEventArgs e)
{
this.Cursor=Cursors.Wait;
Process [] myprocess;
myprocess =Process.GetProcessesByName(filename);
foreach( Process p in myprocess){
using (p){
p.CloseMainWindow();
Thread.Sleep(1000);
p.WaitForExit();
}
}
fileIndex=0;
RefreshProcessInfo();
this.Cursor=Cursors.Arrow;
}
private void RefreshProcessInfo()
{
this.dataGrid1.ItemsSource=null;
list.Clear();
Process[] processes = Process.GetProcesses();
foreach(Process p in processes){
Data pd = new Data();
try
{
if (p.Id == 0)
{
pd.ID = p.Id;
pd.Name = p.ProcessName;
pd.StartTime = "";
pd.Memory = "";
pd.FilePath = "";
}
else
{
pd.ID = p.Id;
pd.Name = p.ProcessName;
pd.StartTime = p.StartTime.ToString("yyyy-M-d HH:mm:ss");
pd.Memory = string.Format("{0,10:0} KB", p.WorkingSet64 / 1024d);
pd.FilePath = p.MainModule.FileName;
}
}
catch
{
pd.FilePath = "";
}
list.Add(pd);
}
this.dataGrid1.ItemsSource=list;
this.textblock.Text = "当前正在运行的进程数目是:" + list.Count;
}
}
public class Data{
public int ID {get;set;}
public string Name { get; set; }
public string StartTime { get; set; }
public string Memory { get; set; }
public string FilePath { get; set; }
}
}

<Window x:Class="A._2.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid >
<Grid.RowDefinitions>
<RowDefinition Height="85*"></RowDefinition>
<RowDefinition Height="5*"></RowDefinition>
<RowDefinition Height="10*"></RowDefinition>
</Grid.RowDefinitions>
<DataGrid Name="dataGrid1" Grid.Row="0" AutoGenerateColumns="False">
<DataGrid.Columns>
<DataGridTextColumn Header="进程ID" Binding="{Binding ID}"></DataGridTextColumn>
<DataGridTextColumn Header="进程名称" Binding="{Binding Name}"></DataGridTextColumn>
<DataGridTextColumn Header="占用内存(MB)" Binding="{Binding Memory}"></DataGridTextColumn>
<DataGridTextColumn Header="启动时间" Binding="{Binding StartTime}"></DataGridTextColumn>
<DataGridTextColumn Header="文件路径" Binding="{Binding FilePath}"></DataGridTextColumn>
</DataGrid.Columns>
</DataGrid>
<TextBlock Grid.Row="1" Name="textblock" Foreground="AliceBlue" VerticalAlignment="Center"></TextBlock>
<StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center" >
<Button Name="btnprocess" Width="100" Content="启动进程" Height="40" Click="btnStart_Click" Margin="5" ></Button>
<Button Name="btnKill" Width="100" Content="停止进程" Height="40" Click="btnStop_Click" Margin="5"></Button>
</StackPanel>
</Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace WpfApplication1
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
List<ProcessData> list = new List<ProcessData>();
private void Button_Click(object sender, RoutedEventArgs e)
{
RefreshProcess();
}
private void RefreshProcess()
{
list.Clear();
this.datagrid1.ItemsSource = null;
Process[] myp = Process.GetProcesses();
foreach (Process p in myp)
{
ProcessData pd = new ProcessData();
try
{
pd.ID = p.Id;
pd.Name = p.ProcessName;
if (p.Id == 0)//Idle进程
{
pd.StartTime = "";
pd.Memory = "";
pd.FilePath = "";
}
else //非空闲进程
{
pd.StartTime = p.StartTime.ToString("yyyy-M-d HH:mm:ss");
pd.Memory = (p.WorkingSet64 / 1024 / 1024).ToString() + " MB";
pd.FilePath = p.MainModule.FileName;//maybe exception
}
}
catch
{
pd.FilePath = "";
}
list.Add(pd);
}
this.datagrid1.ItemsSource = list;
this.textblock.Text = "当前正在运行的进程数目是:" + list.Count;
}
private void btnKill_Click(object sender, RoutedEventArgs e)
{
ProcessData pd = (ProcessData)datagrid1.SelectedItem;
if (pd != null)
{
Process p=null;
try
{
p = Process.GetProcessById(pd.ID);
p.Kill();
Thread.Sleep(1000);
}
catch
{
MessageBox.Show("进程无法终止!!请确认进程是否在运行或者是否具有终止进程的权限！~");
}
finally
{
if (p != null)
{
if (p.HasExited == true)
MessageBox.Show("进程已经正常终止！");
p.Close();
}
}
}
RefreshProcess();
}
}
class ProcessData
{
public int ID {get;set;}
public string Name { get; set; }
public string StartTime { get; set; }
public string Memory { get; set; }
public string FilePath { get; set; }
}
}

参考Window系统自带的任务管理器，实现一个简易的WPF版本的任务管理器。要求实现下列功能：
u显示本机所有当前正在运行的进程信息；u显示每个正在运行进程的ID、使用内存大小、进程描述等；u能够启动和终止进程；u能够保持进程信息的实时更新；u能够处理程序可能出现的异常信息。
功能扩展：显示本机运行的服务信息、CPU性能等信息；
u

package com.example.administrator.a4_1;
import android.app.Service;
import android.app.content.Intent;
import android.app.os.IBinder;
import android.app.widget.Toast;
import android.content.Intent;
import android.os.IBinder;
import android.view.InflateException;
import android.widget.Toast;
/**
* Created by Administrator on 2017/5/4.
*/
public abstract class RandomService extends Service {
private Thread workThread;
@Override
public void onStart(Intent intent,int startId){
super.onStart(intent,startId);
Toast.makeText(this,"(3)调用()onDestroy",Toast.LENGTH_LONG).show();
workThread.interrupt();
}
@Override
public void onDestroy(){
super.onDestroy();
Toast.makeText(this,"(3)调用()onDestroy",Toast.LENGTH_LONG).show();
workThread.interrupt();
}
@Override
public void onCreate(){
super.onCreate();
Toast.makeText(this,"(1)调用()onCreate",Toast.LENGTH_LONG).show();
workThread=new Thread(null,backgroundWork,"WorkThread");
}
public IBinder OnBind(Intent intent){
return null;
}
private Runnable backgroundWork=new Runnable() {
@Override
public void run() {
try{
while(!Thread.interrupted()){
double randomDouble=Math.random();
MainActivity.UpdateGUI(randomDouble);
Thread.sleep(1000);
}
}catch (InterruptedException e){
e.printStackTrace();
}
}
};
}

package com.example.administrator.a4_1;
import android.content.Intent;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
private static Handler handler=new Handler();
private static TextView labelView=null;
private static double randomdouble;
public static void UpdateGUI(double refreshDouble){
randomdouble=refreshDouble;
handler.post(RefreshLable);
}
private static Runnable RefreshLable=new Runnable() {
@Override
public void run() {
labelView.setText(String.valueOf(randomdouble));
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
labelView=(TextView)findViewById(R.id.textView);
Button startButton=(Button)findViewById(R.id.btn_start);
Button stopButton=(Button)findViewById(R.id.btn_stop);
final Intent serviceIntent=new Intent(this,RandomService.class);
startButton.setOnClickListener(new Button.OnClickListener(){
@Override
public void onClick(View v) {
startService(serviceIntent);
}
});
stopButton.setOnClickListener(new Button.OnClickListener(){
@Override
public void onClick(View v) {
stopService(serviceIntent);
}
});
}
}