查找并结束进程

 unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Tlhelp32;

type
  TForm1 = class(TForm)
    ListBox1: TListBox;
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

Function FindProcess(ProcessName: String): Boolean;
var
  Snap: THandle;
  Lp: Boolean;
  PE: TProcessEntry32;
begin
 Result := False;
 snap := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
 if snap <= 0 then begin
  Exit;
 end;
 PE.dwSize := SizeOf(TProcessEntry32);
 Lp := Process32First(snap,PE);
 while Lp do begin
  if PE.szExeFile = ProcessName then begin
   Result := True;
   Break;
  end;
 Lp := Process32Next(snap,PE);
 end;
 CloseHandle(snap);
end;

//函数
function KillProcess(ProcessName: string): Boolean;
const
  PROCESS_TERMINATE = $0001;
var
  Snap: THandle;//存放CreateToolhelp32Snapshot()
  PE: TProcessEntry32;//存放PROCESSENTRY32结构
  Lp: Boolean;//存放Process32First()、Process32Next()
  Op: THandle;//存放OpenProcess()
begin
 Result := False;
 snap := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);//获得进程快照
 if snap <= 0 then begin
  Exit;
 end;
 PE.dwSize := SizeOf(TProcessEntry32);//为dwSize赋值
 Lp := Process32First(snap,PE);//枚举当前的进程
 while Lp do begin
  if PE.szExeFile = ProcessName then//进程名与szExeFile比较
  begin
   Op := OpenProcess(PROCESS_TERMINATE,False,PE.th32ProcessID);//打开句柄
   Result := TerminateProcess(Op,0);//结束进程
  end;
 Lp := Process32Next(snap,PE);//枚举当前的进程
 end;
CloseHandle(snap);//关闭句柄
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
 ListBox1.Items.Add('程序开始运行');
 if FindProcess('notepad.exe') then begin
  ListBox1.Items.Add('发现进程notepad.exe');
  if KillProcess('notepad.exe') then begin
   ListBox1.Items.Add('结束进程notepad.exe成功');
  end else begin
   ListBox1.Items.Add('结束进程notepad.exe失败');
  end;
 end else begin
  ListBox1.Items.Add('未发现进程notepad.exe');
 end;
end;

end.