Finalizando todas as tarefas

Procedure TForm1.ButtonKillAllClick(Sender: TObject);
var
pTask : PTaskEntry;
Task : Bool;
ThisTask: THANDLE;
begin
GetMem (pTask, SizeOf (TTaskEntry));
pTask^.dwSize := SizeOf (TTaskEntry);
Task := TaskFirst (pTask);
while Task do
begin
if pTask^.hInst = hInstance then
ThisTask := pTask^.hTask
else
TerminateApp (pTask^.hTask, NO_UAE_BOX);
Task := TaskNext (pTask);
end;
TerminateApp (ThisTask, NO_UAE_BOX);
end;