handles prt2

ok i got hold of a class name, i got hold of the handle of an exe running, now then how does winsight get hold of the exe name for example if winamp is running, the return name inside winsight is winamp.exe where and how does it get that info?

any help please?

Thanks :) Craig C.
LVL 2
craig_capelAsked:
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intheCommented:
hi,
look at this example ,it will display the handle,the path and the caption.
note the GetWindowExeName function i think this is what you are after.
Regards Barry

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, ExtCtrls,TlHelp32;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    ListBox1: TListBox;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
 
implementation
 
{$R *.DFM}

type
  EnumWindowsProc = function (Hwnd: THandle;Param: Pointer): Boolean; stdcall;

function GetWindowExeName(Handle: THandle): String;
var
  PE: TProcessEntry32;
  Snap: THandle;
  ProcessId: cardinal;
begin
  GetWindowThreadProcessId(Handle,@ProcessId);
  Snap:= CreateToolHelp32Snapshot(TH32CS_SNAPPROCESS, 0);
  if Snap <> 0 then begin
    if Process32First(Snap, PE) then
      if PE.th32ProcessID = ProcessId then
        Result:= String(PE.szExeFile)
      else while Process32Next(Snap, PE) do
        if PE.th32ProcessID = ProcessId then begin
          Result:= String(PE.szExeFile);
          break;
        end;
    CloseHandle(Snap);
  end;
end;

function GetTitle (Hwnd: THandle; Param: Pointer): Boolean; stdcall;
 var
  Text,TempString: string;
begin
  If (GetWindowLong(Hwnd,GWL_HWNDPARENT)=0) and (IsWindowVisible(Hwnd) or IsIconic(Hwnd))then
  begin
TempString := GetWindowExeName(Hwnd);
  SetLength (Text, 100);
  GetWindowText (Hwnd, PChar (Text), 100);
  Form1.ListBox1.Items.Add (IntToStr (Hwnd) + ' : '  + TempString + ' : ' +text);
  Result := True;
  end;
end;
 
procedure TForm1.Button1Click(Sender: TObject);
var
  EWProc: EnumWindowsProc;
begin
  ListBox1.Items.Clear;
  EWProc := GetTitle;
  EnumWindows (@EWProc, 0);
end;
 
procedure TForm1.Button2Click(Sender: TObject);
var
wnd :Hwnd;
temp :string;
EWProc: EnumWindowsProc;
ClickedOK :  boolean;
begin
clickedOK := InputQuery('Which Process do U wanna Kill','Process Number',temp);
if ClickedOK then
begin
Wnd := hwnd(strToInt(temp));
PostMessage(Wnd,WM_SYSCOMMAND,SC_CLOSE, 0);
  sleep(100);
  ListBox1.Items.Clear;
  EWProc := GetTitle;
  EnumWindows (@EWProc, 0);
end;
end;
 
end.
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craig_capelAuthor Commented:
Not even going to bother testing the code to see if it works, i trust you!!!.... i increased the points to 125, simply because it was harder than i though, help you get that 1 stage close to number 1 possition!!!

Thanks


Craig C.
0
intheCommented:
:-)
Hi
just ask if need more help though i think the code should be ok.
cheers Barry
0
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