...maker the mouse wheel works correct in TDBGrid?

{....}

public
  procedure AppMessage(var Msg: TMsg; var Handled: Boolean);
    
{....}



procedure TForm1.AppMessage(var Msg: TMsg; var Handled: Boolean);
var
  i: SmallInt;
begin
  {Mouse wheel behaves strangely with dgbgrids - this proc sorts this out}
  if Msg.message = WM_MOUSEWHEEL then
  begin
    Msg.message := WM_KEYDOWN;
    Msg.lParam := 0;
    i := HiWord(Msg.wParam);
    if i > 0 then
      Msg.wParam := VK_UP
    else
      Msg.wParam := VK_DOWN;

    Handled := False;
  end;
end;



  // Und im Projekt Source:
  // And in the project source:

{....}

Application.OnMessage := Form1.AppMessage;

{....}

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