/ Get mouse positon

procedure TForm1.Button1Click(Sender: TObject);
var
  MausPos: TPoint;
begin
  GetCursorPos(MausPos);
  label1.Caption := IntToStr(MausPos.x);
  label2.Caption := IntToStr(MausPos.y);
end;

// Set mouse position to (x,y)

procedure TForm1.Button2Click(Sender: TObject);
begin
  SetCursorPos(600, 600);
end;