unit1.pas

《delphi深度编程及其项目开发》

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,TLHelp32;

type
  TForm1 = class(TForm)
    Button1: TButton;
    ListBox: TListBox;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

//===
//注意在编写本单元时，应注意应用"TLHelp32"单元
//===
procedure TForm1.Button1Click(Sender: TObject);
var
  ProcessName : string; //进程名
  ProcessID  : integer; //进程表示符
  i : integer;
  ContinueLoop:BOOL;
  FSnapshotHandle:THandle; //进程快照句柄
  FProcessEntry32:TProcessEntry32; //进程入口的结构体信息
begin
  FSnapshotHandle:=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0); //创建一个进程快照
  FProcessEntry32.dwSize:=Sizeof(FProcessEntry32);
  ContinueLoop:=Process32First(FSnapshotHandle,FProcessEntry32); //得到系统中第一个进程
  //循环例举
  while ContinueLoop  do
  begin
    ProcessName := FProcessEntry32.szExeFile;
    ProcessID := FProcessEntry32.th32ProcessID;
    Listbox.Items.add('应用程序名 ：'+ProcessName +'#进程ID：'+ inttostr(ProcessID));
    ContinueLoop:=Process32Next(FSnapshotHandle,FProcessEntry32);
  end;
end;

end.