protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
//scroll them down
if (_rectScrollDown != RectangleF.Empty && _rectScrollDown.Contains(e.Location) && _allowScrollDown)
{
_currentScrollActionBegan = DateTime.Now;
_currentScrollAction = ScrollActionUnderway.ScrollingDown;
ScrollDown();
}
//scroll them down
if (_rectScrollUp != RectangleF.Empty && _rectScrollUp.Contains(e.Location) && _allowScrollUp)
{
_currentScrollActionBegan = DateTime.Now;
_currentScrollAction = ScrollActionUnderway.ScrollingUp;
ScrollUp();
}
if (_allowScrollDown || _allowScrollUp)
{
var scrollBarMiddle = new RectangleF(_rectScrollUp.Left, _rectScrollUp.Bottom, 20, _rectScrollDown.Top - _rectScrollUp.Bottom);
if (scrollBarMiddle.Contains(e.Location))
{
_currentScrollActionBegan = DateTime.Now;
_currentScrollAction = ScrollActionUnderway.ScrollDragging;
ScrollToMouseLocation();
}
}
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
_currentScrollAction = ScrollActionUnderway.None;
}
