Code:

uses CommCtrl;

{©Drkb v.3(2007): www.drkb.ru}

function GetModuleFileNameExW(hProcess:THandle; hModule:HMODULE; lpFilename:PWideChar; nSize:DWORD):DWORD; stdcall; external 'PSAPI.DLL';

const

ICON_SMALL2 = 2;

function WindowGetEXE(wnd:HWND):string;

var

wt:array[0..MAX_PATH-1] of WChar;

r:integer;

prc:THandle;

prcID:cardinal;

begin

result:='';

if GetWindowThreadProcessID(wnd,prcID)<>0 then

begin

prc:=OpenProcess(PROCESS_ALL_ACCESS,false,prcID);

if prc<>0 then

try

   r:=GetModuleFileNameExW(prc,0,wt,MAX_PATH*2);

  if r<>0 then result:=wt;

finally

  CloseHandle(prc)

end

end

end;

function WindowGetIcon(wnd:HWND; fSmall:boolean):Cardinal;

var

defIcon:HICON;

r,iType1,iType2: integer;

begin

   defIcon:=LoadIcon(0,IDI_APPLICATION);

   if fSmall then

   begin iType1:=ICON_SMALL2; iType2:= GCL_HICONSM; end else

   begin iType1:=ICON_BIG; iType2:= GCL_HICON; end;

  r:=SendMessageTimeOut(wnd,WM_GETICON,iType1,0,SMTO_ABORTIFHUNG or SMTO_NOTIMEOUTIFNOTHUNG, 100, result);

  if (r=0) then result:=defIcon else

  begin

   if (result=0) then result:=GetClassLong(wnd,iType2);

   if (result=0) then result:=defIcon

  end;

end;

function EnumWindowsProc(wnd:HWND; lParam: LPARAM):BOOL; stdcall;

var

wn:array[0..MAX_PATH-1] of char;

begin

result:=true;

if IsWindowVisible(wnd) and (GetParent(wnd)=0) and (GetWindow(wnd,GW_OWNER)=0) and

((GetWindowLong(wnd,GWL_EXSTYLE) and WS_EX_TOOLWINDOW)=0)  then

begin

GetWindowText(wnd,wn,MAX_PATH);

with Form1.ListView1.Items.Add do

begin

   Caption :=wn; // заголовок

   SubItems.Add(IntToStr(wnd)); // дескриптор

   SubItems.Add(WindowGetEXE(wnd)); // exe

   SubItems.Add(' '); // колонка для большой иконки

   ImageIndex:=ImageList_AddIcon(Form1.ImageList1.Handle,WindowGetIcon(wnd,true)); // маленькая иконка

   SubItemImages[2] := ImageList_AddIcon(Form1.ImageList2.Handle,WindowGetIcon(wnd,false)); // большая иконка

end;

end;

end;

procedure TForm1.Button1Click(Sender: TObject);

begin

ListView1.Clear;

ImageList1.Clear;

ImageList2.Clear;

EnumWindows(@EnumWindowsProc,0);

end;

procedure TForm1.FormCreate(Sender: TObject);

begin

// ImageList1 - 16x16;  ImageList2 - 32x32;

ListView1.SmallImages:=ImageList1;

ListView1.LargeImages:=ImageList2;

end;