private void btnLineUp_MouseDown(object sender, MouseEventArgs e)
{
ScrollAction = (int) Eclectic.ScrollBarActions.SB_LINEUP;
tmrScroll.Enabled = true;
Eclectic.SendMessage(txtPage.Handle, Eclectic.WM_VSCROLL, (int) Eclectic.ScrollBarActions.SB_LINEUP, 0);
}