使用WMI控制Windows进程

本文主要介绍两种WMI的进行操作：检查进程是否存在、创建新进行

代码如下：

using System;
using System.Collections.Generic;
using System.Text;
using System.Management;
using System.Threading;

namespace TJVictor.WMI
{
public class Win32_Process:WMIBaseClass
{
#region Property
private int timeout = 30;
public int TimeOut
{
get { return timeout; }
set { timeout = value; }
}

private string wqlSelect = "select * FROM Win32_Process where Name='{0}'";
#endregion

#region Construction
public Win32_Process()
: base()
{
base.Connection();
}

public Win32_Process(string domain, string Ip, string user, string psd)
: base(domain, Ip, user, psd)
{
base.Connection();
}
#endregion

#region public function
public bool IsProcessExist(string name)
{
if (!GetSelectQueryCollection(wqlSelect,name).Count.Equals(0))
return true;
return false;
}

public void CreateProcess(string name)
{
ManagementClass processClass = new ManagementClass("Win32_Process");
processClass.Scope = base.Scope;

ManagementBaseObject mbo = processClass.GetMethodParameters("Create");
mbo["CommandLine"] = string.Format(name);
ManagementBaseObject result = processClass.InvokeMethod("Create", mbo, null);
//检测执行结果
CheckExceptionClass.CheckProcessException(int.Parse(result["returnValue"].ToString()));
//检测进程是否执行完成
int tempTimeout = this.timeout;
while (!GetSelectQueryCollection("select * FROM Win32_Process where ProcessID='{0}'",result["ProcessID"].ToString()).Count.Equals(0))
{
if (tempTimeout.Equals(0))
{
throw new TJVictor.WMI.WmiException.ProcessException(
string.Format("在 {0} 上执行 {1} 操作失败，执行超时", base.Ip, name));
}
tempTimeout--;
Thread.Sleep(1000);
}
}
#endregion
}
}

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