带爱像的右下角HINT显示，自动隐藏

function alterInfo: TdxAlertWindowManager;
begin
  if not Assigned(Falter) then
  begin
    Falter := TdxAlertWindowManager.Create(nil);
  end;
  Result := Falter;
end;

procedure ShowTrayHint(const AText: string; const ACaption: string = '';
  AImageIndex: TImageIndex = 0);
begin
  alterInfo.Show(ACaption, AText, AImageIndex);
end;