遍历进程并获取进程路径 - 回复 "编程少年" 的问题

代码文件:

---

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

uses PsAPI;

procedure TForm1.Button1Click(Sender: TObject);
const
  n = 512;
var
  IDArr: array[0..n-1] of DWORD;
  size,i: DWORD;
  buf: array[0..MAX_PATH] of Char;
  pHandle: THandle;
begin
//  FillChar(buf, n, #0); {这样可避免乱码}
  EnumProcesses(@IDArr, n, size);
  for i := 0 to size div SizeOf(DWORD) - 1 do
  begin
    pHandle := OpenProcess(PROCESS_ALL_ACCESS, False, IDArr[i]);
    GetModuleFileNameEx(pHandle, 0, buf, Length(buf)*SizeOf(buf[0]));
    CloseHandle(pHandle);
    Memo1.Lines.Add(buf);
  end;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
  Memo1.Clear;
  Memo1.Align := alTop;
  Memo1.ScrollBars := ssBoth;
end;

end.

窗体文件:

---

object Form1: TForm1
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 206
  ClientWidth = 447
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'Tahoma'
  Font.Style = []
  OldCreateOrder = False
  OnCreate = FormCreate
  PixelsPerInch = 96
  TextHeight = 13
  object Button1: TButton
    Left = 342
    Top = 173
    Width = 75
    Height = 25
    Caption = 'Button1'
    TabOrder = 0
    OnClick = Button1Click
  end
  object Memo1: TMemo
    Left = 24
    Top = 8
    Width = 185
    Height = 161
    Lines.Strings = (
      'Memo1')
    TabOrder = 1
  end
end