delphi 获取系统进程列表和进程所在路径

unit Unit1;

interface

uses

Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,

Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ComCtrls;

type

TForm1 = class(TForm)

Button1: TButton;

ListView: TListView;

procedure Button1Click(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

// Enum Processes

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

uses

Types, ActiveX, ComObj, Registry, {$ifdef FPC} JwaPsApi {$else} PsAPI {$endif FPC}, Nb30;

// Enum Processes

function ProcessIDs: TIntegerDynArray;

var ProcessSize: DWORD;

begin

SetLength(Result, 1024);

repeat

SetLength(Result, 2 * Length(Result));

Win32Check(EnumProcesses(@Result[0], Length(Result) * SizeOf(DWORD), ProcessSize));

until Integer(ProcessSize) < Length(Result) * SizeOf(DWORD);

SetLength(Result, ProcessSize div SizeOf(DWORD));

end;

function ProcessName(ProcessID: Integer): string;

var

Process: THandle;

ProcessName: array [0..MAX_PATH] of Char;

begin

Result := '';

Process := OpenProcess(PROCESS_QUERY_INFORMATION or PROCESS_VM_READ, False, ProcessID);

if Process <> 0 then

try

if GetModuleBaseName(Process, 0, ProcessName, SizeOf(ProcessName)) <> 0 then

Result := ProcessName;

finally

CloseHandle(Process);

end;

function ProcessFileName(ProcessID: Integer): string;

var

Process: THandle;

FileName: array [0..MAX_PATH] of Char;

begin

Result := '';

Process := OpenProcess(PROCESS_QUERY_INFORMATION or PROCESS_VM_READ, False, ProcessID);

if Process <> 0 then

try

if GetModuleFileNameEx(Process, 0, FileName, SizeOf(FileName)) <> 0 then

Result := FileName;

finally

CloseHandle(Process);

end;

procedure TForm1.Button1Click(Sender: TObject);

var

Processes: TIntegerDynArray;

I: Integer;

Item: TListItem;

ProcessName1: string;

begin

ListView.Items.BeginUpdate;

try

Processes := ProcessIDs;

for I := 0 to Length(Processes) - 1 do

begin

ProcessName1 := ProcessName(Processes[I]);

if ProcessName1 <> '' then

begin

Item := ListView.Items.Add;

Item.Caption := IntToStr(Processes[I]);

Item.SubItems.Text := ProcessName1;

Item.SubItems.Append(ProcessFileName(Processes[I]));

end;

finally

ListView.Items.EndUpdate;

end;

end.

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