System-Wide Injection Portable-Executable (SwiPE)

WindowHandleTID()

Example Code

function WindowHandle2TID(hWnd: HWND): DWORD; stdcall;

// Returns the thread identifier (TID) of a window handle (HWND)

var
   dwThreadId: DWORD;
   Wnd: HWND;
begin
   Wnd := FindWindow('Shell_TrayWnd', nil);
   if Wnd <> 0 then
   begin
   dwThreadId := WindowHandle2TID(Wnd);
   if dwThreadId <> 0 then
   begin
   ShowMessageFmt('Thread Id of Window Shell_TrayWnd: [%u]', [dwThreadId]);
   end;
   end;
end;