protected override void OnDragOver(DragEventArgs pArgs)
{
base.OnDragOver(pArgs);
AutoScrollTimer lNewTimer = null;
Point lLocation = PointToClient(new Point(pArgs.X, pArgs.Y));
int lScrollBarWidth = VerticalScroll.Visible ? SystemInformation.VerticalScrollBarWidth : 0;
int lScrollBarHeight = HorizontalScroll.Visible ? SystemInformation.HorizontalScrollBarHeight : 0;
int lAutoScrollMargin = 20;
if (lLocation.X < lAutoScrollMargin)
{
lNewTimer = new AutoScrollLeftTimer(lLocation, this);
}
else if (Width - lScrollBarWidth - lLocation.X < lAutoScrollMargin)
{
lNewTimer = new AutoScrollRightTimer(lLocation, this);
}
else if (lLocation.Y < lAutoScrollMargin)
{
lNewTimer = new AutoScrollUpTimer(lLocation, this);
}
else if (Height - lScrollBarHeight - lLocation.Y < lAutoScrollMargin)
{
lNewTimer = new AutoScrollDownTimer(lLocation, this);
}
AutoScrollTimer.AutoScrollRedir lRedir = AutoScrollTimer.AutoScrollRedir.eNone;
if (lNewTimer != null)
{
lRedir = AutoScrollTimer.Redir(lNewTimer);
}
else
{
lRedir = AutoScrollTimer.Redir(lLocation);
}
if (lRedir.HasFlag(AutoScrollTimer.AutoScrollRedir.eStop))
{
AutoScrollTimer.Stop();
AutoScrollTimer = DummyTimer.Dummy;
}
if (lRedir.HasFlag(AutoScrollTimer.AutoScrollRedir.eStartNew))
{
lNewTimer.Start();
AutoScrollTimer = lNewTimer;
}
}
/// <summary>
/// Used to drag image
/// or getting position for autoscrolltimer
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal static void MainImage_MouseMove(object sender, MouseEventArgs e)
{
if (IsAutoScrolling)
{
// Start automainWindow.Scroller and report position
AutoScrollPos = e.GetPosition(GetMainWindow.Scroller);
AutoScrollTimer.Start();
}
if (Color_Picking.IsRunning)
{
if (GetColorPicker.Opacity == 1)
{
Color_Picking.StartRunning();
}
return;
}
PanImage(sender, e);
}
