遍历进程并获取进程路径 - 回复 "编程少年" 的问题

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.

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